Gaea's Liege [Unlimited Edition] Ixalan Promos Set: Prophecy Type: Creature —

Set: Prophecy Type: Creature — Avatar Rarity: Rare Cost: {6}{B}{B} If there are ten or more creature cards total in all graveyards

Activate this ability only before the combat damage step

but your death will glorify Yawgmoth

Set: Scars of Mirrodin Type: Artifact Creature — Wurm Mythic Cost: {6} Deathtouch

and that player can't activate abilities that aren't mana abilities

Gaea's Liege [Unlimited Edition] Ixalan Promos Set: Prophecy Type: Creature —Set: Unlimited Edition Type: Creature Avatar Rare Cost: {3}{G}{G}{G} As long as Gaea's Liege isn't attacking, its power and toughness are each equal to the number of Forests you control. As long as Gaea's Liege is attacking, its power and toughness are each equal to the number of Forests defending player controls. {T}: Target land becomes a Forest until Gaea's Liege leaves the battlefield.