MTG >Combos >Nim Deathmantle +Breya, Etherium Shaper +Ashnod's Altar +

1) Sacrifice a Thopter token and

Breya, Etherium Shaper

to

Ashnod's Altar

; 2) With those 4 manas, pay for

Nim Deathmantle

's triggered ability, returning Breya to the battlefield, creating 2 thopters. Repeat for infinite tokens and infinite mana; 3) Use any of Breya's abilities infinitely to win the game.