Fen Hauler
Creature — Insect
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
This creature can't be blocked by artifact creatures.5/5
Printings & Conditions (2)
Aether Revolt (AER)(Aether Revolt)#58
The List (PLST)(Mystery Booster)#AER-58Common