MTG >Combos >Panharmonicon +Felidar Guardian +Spark Double +

Panharmonicon doubles the ETB effect of all your permanents Cast Spark Double as a copy of Felidar Guardian The copy's ability will trigger, blink Felidar Guardian, and a tapped land. When Felidar Guardian enters the battlefield, respond to its trigger by tapping a land to add mana. Blink Spark Double and the tapped land. Return Spark Double as a copy of Felidar Guardian Repeat process for infinite mana