Infinite colorless mana, Infinite death triggers, Infinite ETB, Infinite LTB, Infinite sacrifice triggers
Activate Ashnod's Altar by sacrificing Spark Double, adding .
When Spark Double dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
As Spark Double enters the battlefield, choose to have it enter the battlefield as a copy of Glen Elendra Archmage with a +1/+1 counter on it.
Repeat.
Component Cards
How It Works
Activate Ashnod's Altar by sacrificing Spark Double, adding .
When Spark Double dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
As Spark Double enters the battlefield, choose to have it enter the battlefield as a copy of Glen Elendra Archmage with a +1/+1 counter on it.
Repeat.