MTG >Combos >Altar Pirexiano +Draco iridiscente +Muerte aparente +

Cast

Iridescent Drake

and either cast

False Demise

or have it on your graveyard to attach it to the Drake. Sacrifice the Drake to

Phyrexian Altar

to generate 1 mana of any color. Flase Demise will trigger and return the Drake to the battlefield, which will return False Demise from your graveyard to the battlefield enchanted to it. Repeat for infinite mana.