MTG >Combos >Mardu Warshrieker +Thornbite Staff +Ashnod's Altar +Feldon of the Third Path +

Equip Feldon with Thornbite Staff and activate their ability to create a token that is a copy of Mardu Woeshrieker When it enters the battlefield, add three mana. Sacrifice the token with Ashnod's Altar to add two mana Thornbite Staff ability will trigger, untap Feldon Repeat the process for infinite mana.