CommanderLegacyVintage
Result
Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, Infinite storm count
Activate Phyrexian Altar by sacrificing Undead Sprinter, adding .
If Runaway Steam-Kin has three or more +1/+1 counters on it, activate it by removing three +1/+1 counters from it, adding .
Cast Undead Sprinter from your graveyard by paying .
Runaway Steam-Kin triggers, putting a +1/+1 counter on it.
Repeat from step 2.
Component Cards
How It Works
1
Activate Phyrexian Altar by sacrificing Undead Sprinter, adding .
If Runaway Steam-Kin has three or more +1/+1 counters on it, activate it by removing three +1/+1 counters from it, adding .
Cast Undead Sprinter from your graveyard by paying .
Runaway Steam-Kin triggers, putting a +1/+1 counter on it.
Repeat from step 2.