Taniwha [Mirage] Gorgon all monsters they control lose

all monsters they control lose 300 ATK

Set: HeartGold & SoulSilver: Base Set Type: Colorless Rarity: Rare Retreat cost: Colorless

Set: Tempest Type: Instant Rarity: Uncommon Cost: {1}{U} Counter target activated ability from an artifact

You can only use this effect of "The White Stone of Ancients" once per turn

Set: Platinum: Rising Rivals Type: Colorless Rarity: Rare Retreat cost: 0

Taniwha [Mirage] Gorgon all monsters they control loseSet: Mirage Type: Legendary Creature Serpent Rarity: Rare Cost: {3}{U}{U} Trample Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.) At the beginning of your upkeep, all lands you control phase out. (They phase in before you untap during your next untap step.) "Taniwha rolls in its sleep, and the land is awash with the waves." Poetics of Hanan