Ulasht plus the number of green creatures you control excluding
Ulasht is at least X.
Steps
Activate
Ashnod's Altar by sacrificing
Ulasht.
When
Ulasht dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect.
Repeat.
Notes
Each loop, you can use mana from the previous loop and remove a +1/+1 counter from
Ulasht to make creature tokens.
Results
Infinite creature ETB.
Infinite creature LTB.
Infinite colorless mana.
Infinite death triggers.
Infinite creature sacrifice triggers.
Infinite creature tokens.
Metadata
Bracket tag
SpicyBracket 3-4+
Probably 3 or 4, but hard to classify
1
2
3
4
5
1 · Exhibition5 · cEDH
Bracket tags are estimated from the cards and results of each combo, as a guideline rather than a strict classification.