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

Tracking one could lead you to riches

"You've got to keep your wits about you on the roofs

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: 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.