Omarthis, Ghostfire Initiate + Mirage Mirror + Vanquisher's Banner + 1 more
Infinite +1/+1 counters on certain creatures
Put a +1/+1 counter on a colorless creature you control.
Omarthis's first triggered ability triggers.
In response, activate Mirage Mirror by paying , causing it to become a copy of Omarthis until end of turn.
Resolve the Omarthis trigger, putting a +1/+1 counter on itself.
Mirage Mirror triggers, putting a +1/+1 counter on itself.
Omarthis triggers, putting a +1/+1 counter on itself.
Repeat from step 5 any number of times.
End the loop by declining to place a +1/+1 counter on a creature.
Warn
Component Cards
How It Works
Put a +1/+1 counter on a colorless creature you control.
Omarthis's first triggered ability triggers.
In response, activate Mirage Mirror by paying , causing it to become a copy of Omarthis until end of turn.
Resolve the Omarthis trigger, putting a +1/+1 counter on itself.
Mirage Mirror triggers, putting a +1/+1 counter on itself.
Omarthis triggers, putting a +1/+1 counter on itself.
Repeat from step 5 any number of times.
End the loop by declining to place a +1/+1 counter on a creature.
Warning: Omarthis's last ability can increase the risk of losing by drawing from an empty library if you place enough counters on them.