Call of the Wild + Mortuary + Phyrexian Altar + Hornet Queen
Call of the Wild
Mortuary
Phyrexian Altar
Hornet Queen
Infinite colored manaInfinite creature tokensInfinite death triggersInfinite creature ETBInfinite creature LTBInfinite creature sacrifice triggersInfinite self-millPut all creature cards from your library onto the battlefield
How it works
Activate Phyrexian Altar by sacrificing Hornet Queen, adding .
Hornet Queen dies, triggering Mortuary, putting Hornet Queen on top of your library from your graveyard.
Activate Call of the Wild by paying 2, revealing Hornet Queen from the top of your library and putting it onto the battlefield.
Hornet Queen enters the battlefield, creating four 1/1 Insect creature tokens.
Activate Phyrexian Altar three times by sacrificing three Insect tokens, adding 2.
Repeat.
Once you have infinite mana, you may activate Call of the Wild's ability to put all creature cards from your library onto the battlefield.