Thrasios, Triton Hero [Commander 2016] HarperPrism Book Promos that creature gets +1/+1 until

that creature gets +1/+1 until end of turn

Enlightened Master attacks

{B}: Transform Bloodline Keeper

Sacrifice this creature: Search your library for a creature card with the same mana value as this creature

Thrasios, Triton Hero [Commander 2016] HarperPrism Book Promos that creature gets +1/+1 untilSet: Commander 2016 Type: Legendary Creature Merfolk Wizard Rarity: Rare Cost: {G}{U} {4}: Scry 1, then reveal the top card of your library. If it's a land card, put it onto the battlefield tapped. Otherwise, draw a card. Partner (You can have two commanders if both have partner.) Beneath crashing waves lies an ocean of secrets waiting to be explored.