Cryptolith Rite [Shadows over Innistrad Prerelease Promos] Zombie Leech As long as a creature

As long as a creature card with flying is in a graveyard

"Let them cry for mercy

Set: Rivals of Ixalan Promos Type: Creature — Merfolk Shaman Rarity: Rare Cost: {3}{G} Whenever World Shaper attacks

transform Krallenhorde Howler

Set: Unknown Event Type: Creature — Human Soldier Rarity: Common Creatures opponents control entering the battlefield don't cause backup abilities to trigger

Cryptolith Rite [Shadows over Innistrad Prerelease Promos] Zombie Leech As long as a creatureSet: Shadows over Innistrad Prerelease Promos Type: Enchantment Rarity: Rare Cost: {1}{G} Creatures you control have "{T}: Add one mana of any color." The chant was incomprehensible, but its power was unmistakable.