Artifact Creature - Golem | Power/Toughness: 5 / 5 (CMC 5)
Prototype -- 2/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)
, Sacrifice Rootwire Amalgam: Create an X/X colorless Golem artifact creature token, where X is three times Rootwire Amalgam's power. It gains haste until end of turn. Activate only as a sorcery.
- [BRO] The Brothers' War #203 (M)