Name:
Chrome Host Seedshark
Type — Subtype:
Creature — Phyrexian Shark
Oracle text:
Flying
Whenever you cast a noncreature spell, incubate X, where X is that spell's mana value. (Create an Incubator token with X +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)
2/4 
Collection:
March of the Machine
Rarity:
Rare
4.5 LSV