MTG >Combos >Mana Echoes +Spawnsire of Ulamog +

Pay 4 mana to create two 0/1 Eldrazi tokens with Spawnsire of Ulamog Mana Echoes will trigger for each of them, adding 4 mana Activate the ability again to create two more tokens, Mana Echoes will add 3 mana to the third and 4 mana to the fourth. From that amount, you can generate infinite mana by creating infinite tokens with Spawnsire of Ulamog.