
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}.
Arc Reactor has 2 printings, first in Marvel Super Heroes (2026). EDHREC ranks it #5,287 among Commander cards. It appears most in Tony Stark // The Invincible Iron Man decks (5,732 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.