Worms of the Earth [The Dark] Elder Dinosaur Set: Battle for Zendikar Prerelease

Set: Battle for Zendikar Prerelease Promos Type: Creature — Angel Rarity: Rare Cost: {5}{W}{W} Flying

−2: Target player sacrifices a creature

Set: Kaladesh Inventions Type: Artifact Creature — Thopter Rarity: Mythic Cost: {0} Flying

then sacrifice it unless you pay its upkeep cost for each age counter on it

Worms of the Earth [The Dark] Elder Dinosaur Set: Battle for Zendikar PrereleaseSet: The Dark Type: Enchantment Rarity: Rare Cost: {2}{B}{B}{B} Players can't play lands. Lands can't enter the battlefield. At the beginning of each upkeep, any player may sacrifice two lands or have Worms of the Earth deal 5 damage to that player. If a player does either, destroy Worms of the Earth. The ground collapsed, leaving nothing but the great Worms' mucous residues.