Beast / Normal

A ferocious animal that sleeps all day. Sometimes it's better to let Sleeping Lions lie.

Beast / Fusion / Effect

2 "Runick" monsters

During your Main Phase or your opponent's Battle Phase (Quick Effect): You can target 1 face-up monster your opponent controls; banish both that monster and this card until the End Phase. If a card(s) is added from the Main Deck to your opponent's hand (except during the Damage Step): You can Special Summon 1 "Runick Token" (Fairy/LIGHT/Level 4/ATK 1500/DEF 1500) in Attack Position. You can only use each effect of "Sleipnir the Runick Mane" once per turn.

Divine-Beast / Effect

Requires 3 Tributes to Normal Summon (cannot be Normal Set). This card's Normal Summon cannot be negated. When Normal Summoned, cards and effects cannot be activated. Once per turn, during the End Phase, if this card was Special Summoned: Send it to the GY. Gains 1000 ATK/DEF for each card in your hand. If a monster(s) is Normal or Special Summoned to your opponent's field in Attack Position: That monster(s) loses 2000 ATK, then if its ATK has been reduced to 0 as a result, destroy it.

Divine-Beast

The heavens twist and thunder roars, signaling the coming of this ancient creature, and the dawn of true power.

Aqua / Normal

A slime with the head of a frog, it attacks by croaking terribly.

Aqua / Normal

This card can be used as a "Slime Token".


*If used for another Token, apply that Token's Type/Attribute/Level/ATK/DEF.

Strings / Skill

Once per turn, you can Special Summon 1 "Humanoid Slime" or 1 "Worm Drake" from your GY in Attack Position, but it cannot be Tributed, except for the Tribute Summon of a Divine-Beast monster. Once per turn, you can discard 1 card, then Fusion Summon 1 "Humanoid Worm Drake" using either "Worm Drake" or "Humanoid Slime" from your field as 1 of the Fusion Materials, and the other material from your Deck.

Strings / Skill

Once per turn, during your Main Phase, you can destroy 1 "Jam Breeding Machine" you control and 1 Spell/Trap your opponent controls. Once per turn, during your Standby Phase, if you Special Summoned "Revival Jam" by it's own effect this turn, draw 3 cards.

Activate only when your opponent Summons a monster. Special Summon 1 Level 4 or lower monster from your hand in face-up Defense Position. Return it to the owner's hand during the End Phase.

Activate only when your opponent's monster declares an attack targeting a monster. Negate the attack and remove from play the attack target monster until the next Standby Phase.

Machine / Normal

The machine's ability is said to vary according to its slot results.

Winged Beast / Effect

If 2 or more monsters with the same Level are on the field, you can Special Summon this card (from your hand). You can only Special Summon "Slower Swallow" once per turn this way. You can Tribute this card; draw 2 cards instead of 1 for your normal draw during your next Draw Phase.

Aqua / Effect

When this card is Normal Summoned: You can send 1 "Slushy" from your Deck to the GY. If you have 3 copies of "Slushy" total, either banished and/or in your GY (combined): You can banish this card from your GY, then target 1 Level 5 or higher Sea Serpent monster in your GY; Special Summon that target. You can only use this effect of "Slushy" once per turn.

Rock / Effect

When this card is Summoned, if you control a "Big Piece Golem", you can Special Summon 1 "Medium Piece Golem" from your Deck. That monster's effect is negated while it is face-up on the field.

Syrus / Skill / Field Spell

Once per turn: You can target 1 other face-up card you control; destroy it, and if you do, add 1 "roid" card from your Deck to your hand. Once per turn, when an attack is declared involving an opponent's monster and a "roid" monster you control: You can send 1 "roid" monster from your Deck to the GY; switch the original ATK and DEF of your battling monster during the damage calculation only.

Choose 2 unused Main Monster Zones in the same column; Special Summon 1 Level 2 or lower monster from your hand or Deck in face-up Attack Position or face-down Defense Position in your chosen Main Monster Zone, then your opponent can do the same from their hand or Deck to theirs. You can only activate 1 "Small Scuffle" per turn.

Reveal 1 monster in your hand, choose 1 monster from your Deck that has exactly 1 of the same Type, Attribute, Level, ATK or DEF, and banish the revealed monster from your hand face-down. Then add, from the Deck to your hand, 1 monster that has exactly 1 of the same Type, Attribute, Level, ATK or DEF as the monster chosen from your Deck, and banish the card chosen from the Deck face-down. You can only activate 1 "Small World" per turn.

Destroy the 1 face-up monster your opponent controls that has the highest DEF (your choice, if tied).

When a monster effect or Trap Card is activated that negates the Normal or Special Summon of a monster(s): Negate the activation and destroy it.

When this card is activated: Each player can banish up to 5 Spells from their own GY, face-down. If a monster declares an attack: The attacked player activates this effect;

● You (the attacked player) can randomly add 1 of your cards banished by this card's effect to your hand, then you can discard it and negate that attack, but if you do not discard that added card, any battle damage you take this turn is doubled (even if this card leaves the field).

If your opponent controls a monster whose current ATK is higher than its original ATK, while you control no monsters: Draw 2 cards. You can only activate 1 "Smile Potion" per turn.

Special Summon as many face-up Pendulum Monsters from your Extra Deck as possible, but they have their effects negated (if any), then your opponent gains LP equal to the total original ATK of those Special Summoned monsters. You cannot Normal or Special Summon other monsters, or attack, during the turn you activate this card.

All face-up monsters currently on the field gain 100 ATK for each monster currently on the field, until the end of this turn.

When this card is destroyed by a card effect while equipped to a monster: Look at your opponent's hand and discard 1 card from their hand.

Insect / Effect

During damage calculation, if you would take battle damage from an opponent's monster's attack (Quick Effect): You can Special Summon this card from your hand, and if you do, the damage you take from that battle is halved, also end the Battle Phase after the Damage Step. You can target 1 face-up monster you control; this card's Level becomes the same as that monster's, until the end of this turn. You can only use each effect of "Smoke Mosquito" once per turn.