The Locust God + Smothering Abomination + Phyrexian Altar

The Locust God

Smothering Abomination

Phyrexian Altar

How it works

1. Activate Phyrexian Altar by sacrificing another creature, adding one mana of any color.
2. Smothering Abomination's second ability triggers, causing you to draw a card.
3. The Locust God triggers, creating a 1/1 Insect creature token with flying and haste.
4. Repeat.

This engine spins into motion thanks to Phyrexian Altar, which converts your disposable creatures into the precise colored mana you need while simultaneously fueling your sacrifice outlets. Each time you make that offering, Smothering Abomination dutifully rewards you with a fresh card draw, which in turn feeds The Locust God's triggered ability to flood your board with hasty flying tokens. You can then feed those newly minted Insect tokens right back into Phyrexian Altar to keep the loop going indefinitely, generating an endless cascade of draws, mana, and sacrifices.