Arc Reactor
Artifact
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
This artifact enters tapped.
: Add .
This artifact enters tapped.
: Add .
standard
future
historic
gladiator
pioneer
modern
legacy
pauper
vintage
penny
commander
brawl
alchemy
paupercommander
duel
oldschool
premodern
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