Cloudstone Curio + Phyrexian Altar + Avenger of Zendikar

Cloudstone Curio

Phyrexian Altar

Avenger of Zendikar

How it works

1. Cast Avenger of Zendikar by paying 5.
2. When Avenger of Zendikar enters the battlefield, its first ability and Cloudstone Curio trigger.
3. Resolve the Avenger of Zendikar trigger, creating at least seven 0/1 Plant creature tokens.
4. When the Plants enter the battlefield, Cloudstone Curio triggers that many times times.
5. Resolve the first trigger, returning Avenger of Zendikar to your hand from the battlefield.
6. Resolve all remaining triggers, choosing not to return anything to your hand.
7. Activate Phyrexian Altar seven times by sacrificing seven Plants, adding 5.
8. Repeat.
9. If you control eight or more lands, this combo nets infinite Plant tokens and infinite colored mana.