Mana Screw {1}

Artifact

{1}: Flip a coin. If you win the flip, add {C}{C}. Activate this ability only any time you could cast an instant.

There was no darker or more evil creation in all the multiverse than that of the mana screw.

Illustrated by Mike Raabe

Standard
Frontier
Modern
Pauper
Legacy
Penny
Vintage
1v1 Cmdr.
Commander
Brawl