Metalwork Colossus [Kaladesh Prerelease Promos] DCI Legend Membership Whenever you cast a Merfolk

Whenever you cast a Merfolk spell

it's an artifact creature with power and toughness each equal to its mana value

another target creature you control gains haste and gets +X/+X until end of turn

Set: Magic Player Rewards 2010 Type: Sorcery Rarity: Rare Cost: {B}{B} Target player draws two cards and loses 2 life

Whenever you cast a Zombie spell

Metalwork Colossus [Kaladesh Prerelease Promos] DCI Legend Membership Whenever you cast a MerfolkSet: Kaladesh Prerelease Promos Type: Artifact Creature Construct Rarity: Rare Cost: {11} This spell costs {X} less to cast, where X is the total mana value of noncreature artifacts you control. Sacrifice two artifacts: Return Metalwork Colossus from your graveyard to your hand.