Infinite ETB, Infinite colored mana, Infinite death triggers, Infinite lifeloss, Infinite LTB, Infinite sacrifice triggers
Activate Serrated Biskelion by tapping it, putting a -1/-1 counter on it and Evernight Shade.
Activate Phyrexian Altar by sacrificing Evernight Shade, adding one mana of any color.
When Evernight Shade dies, its undying ability and Serrated Biskelion trigger.
Resolve the Serrated Biskelion trigger, untapping it.
Resolve the Evernight Shade trigger, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
When Evernight Shade leaves your graveyard, Thran Vigil triggers, put
Component Cards
How It Works
Activate Serrated Biskelion by tapping it, putting a -1/-1 counter on it and Evernight Shade.
Activate Phyrexian Altar by sacrificing Evernight Shade, adding one mana of any color.
When Evernight Shade dies, its undying ability and Serrated Biskelion trigger.
Resolve the Serrated Biskelion trigger, untapping it.
Resolve the Evernight Shade trigger, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
When Evernight Shade leaves your graveyard, Thran Vigil triggers, putting a +1/+1 counter on Serrated Biskelion.
Repeat.