Worms of the Earth [The Dark] Magic 2015 Promos instead prevent all combat damage

instead prevent all combat damage that would be dealt this turn by creatures your opponents control

Set: Planeshift Type: Instant Common Cost: {1}{W}{U} Target creature gets +1/+1 and gains flying and first strike until end of turn

Set: Khans of Tarkir Type: Instant Common Cost: {1}{G} You gain 5 life

) Other green creatures you control have intimidate

Set: Aether Revolt Prerelease Promos Type: Legendary Creature — Human Pirate Rarity: Rare Cost: {1}{R} First strike

Worms of the Earth [The Dark] Magic 2015 Promos instead prevent all combat damageSet: The Dark Type: Enchantment 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.