Activate Phyrexian Altar by sacrificing Avenger of Zendikar, adding ({G} magic symbol) .
Avenger of Zendikar dies, triggering Mortuary, putting Avenger of Zendikar on top of your library from your graveyard.
Activate Call of the Wild by paying ({2} magic symbol) ({G} magic symbol) ({G} magic symbol) , revealing Avenger of Zendikar from the top of your library and putting it onto the battlefield.
Avenger of Zendikar enters the battlefield, creating at least four 0/1 Plant creature tokens.
Activate Phyrexian Altar three times by sacrificing three Plant tokens, adding ({2} magic symbol) ({G} magic symbol) .
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.
Results
Infinite colored mana.
Infinite creature tokens.
Infinite death triggers.
Infinite ETB.
Infinite LTB.
Infinite sacrifice triggers.
Infinite self-mill.
Put all creature cards from your library onto the battlefield.