Rampaging Ferocidon [Ixalan Prerelease Promos] Construct its controller adds an additional

its controller adds an additional one mana of that color

"Fairy Dust-Up" (from Munchkin Promo Cards)

Set: Portal Second Age Type: Creature — Angel Rarity: Rare Cost: {4}{W}{W} Flying

it deals that much damage to its controller

Rampaging Ferocidon [Ixalan Prerelease Promos] Construct its controller adds an additionalSet: Ixalan Prerelease Promos Type: Creature Dinosaur Rarity: Rare Cost: {2}{R} Menace Players can't gain life. Whenever another creature enters the battlefield, Rampaging Ferocidon deals 1 damage to that creature's controller. All raptors are aggressive, but ferocidons seem to enjoy their prey's pain.