Subterror Behemoth Stalagmo [TDIL-EN084] Ultra Rare XY21 Set: Sun & Moon: Guardians

Set: Sun & Moon: Guardians Rising Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

Once per turn: You can return 1 monster you control to the hand

Set: HeartGold & SoulSilver: Trainer Kit - Gyarados Type: Water Rarity: Promo

Halve the ATK and DEF of all monsters on the field

Set: Sun & Moon: Celestial Storm Type: Grass Rarity: Promo Retreat cost: Colorless

Subterror Behemoth Stalagmo [TDIL-EN084] Ultra Rare XY21 Set: Sun & Moon: GuardiansSet: The Dark Illusion Card type: Flip Effect Monster Rarity: Ultra Rare Attack: 2800 Defense: 2100 FLIP: You can discard 1 "Subterror" monster, and if you do, draw 2 cards. You can only use this effect of "Subterror Behemoth Stalagmo" once per turn. When a face up monster you control is flipped face down, if you control no face up monsters: You can Special Summon this card from your hand in Defense Position. Once per turn: You can change this card to