Fool's Demise + Phyrexian Altar + Yavimaya Bloomsage // Channel

Fool's Demise

Phyrexian Altar

Yavimaya Bloomsage // Channel

How it works

1. Cast a copy of Channel from exile by paying , unpreparing Yavimaya Bloomsage.
2. Activate Phyrexian Altar by sacrificing the lifegain creature, adding .
3. When that creature dies, Fool's Demise's first and second abilities trigger.
4. Resolve the first Fool's Demise trigger, returning that creature from your graveyard to the battlefield.
5. When that creature dies or enters (depending on the card), it triggers, gaining at least 4 life.
6. Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
7. Use Channel four times by paying 4 life, adding CCCC.
8. Cast Fool's Demise by paying 4, attaching it to the same creature.
9. Repeat from step 2.
10. To achieve the infinite colorless mana and infinite lifegain results, you need to gain at least 5 life per loop.