Tainted Aether [Urza's Saga]Set: Urza's Saga Type: Enchantment Rarity: Rare Cost: {2}{B}{B} Whenever a creature enters the battlefield, its controller sacrifices a creature or land. Gix despised the sylvan morass. The gouge that the portal had torn in the forest was the only pleasing sight.

Creatures you control can't attack

Set: Hour of Devastation Prerelease Promos Type: Creature — Cat Rarity: Rare Cost: {2}{G} Pride Sovereign gets +1/+1 for each other Cat you control

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn

At the beginning of your postcombat main phase

Set: Eternal Masters Type: Instant Rarity: Uncommon Cost: {R} Choose one —

{R}: Granite Gargoyle gets +0/+1 until end of turn

If at least one Zombie card is milled this way

Set: Magic 2010 Type: Artifact Rarity: Rare Cost: {5} Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it

lavamancer

untap the creature

only chance

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {0} At the beginning of your upkeep