Arc Reactor
Artifact — {5}
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
This artifact enters tapped.
{T}: Add {C}{C}{C}.
Rarity: rare
EDHREC rank: 5951
Artifact — {5}
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
This artifact enters tapped.
{T}: Add {C}{C}{C}.
Rarity: rare
EDHREC rank: 5951