({2} magic symbol) ({R} magic symbol) ({G} magic symbol) plus commander tax if applicable available.
Steps
Play
Power Depot, which will enter with a +1/+1 counter on it due to its modular ability.
Cast
Toph either from your hand or from the command zone by paying ({2} magic symbol) ({R} magic symbol) ({G} magic symbol) plus commander tax if applicable.
When
Toph enters, it triggers, earthbending
Power Depot and putting a number of +1/+1 counters on
Power Depot equal to the mana spent to cast
Toph, increased by
Benevolent Hydra.
Activate
Ashnod's Altar by sacrificing
Power Depot.
When
Power Depot dies, its modular ability and
Toph trigger.
Resolve the modular trigger, putting the +1/+1 counters that were on
Power Depot onto
Crystalline Crawler, increased by
Benevolent Hydra.
Resolve the
Toph trigger, returning
Power Depot from your graveyard to the battlefield tapped.
Power Depot will enter with a +1/+1 counter on it due to its modular ability.
Activate
Ashnod's Altar by sacrificing
Toph. Choose to return
Toph from your graveyard to the command zone.
Activate
Crystalline Crawler by removing a +1/+1 counter from it, adding ({RG} magic symbol) .
Repeat step 9 until you have enough mana to cast
Toph.
Repeat from step 2.
Results
Infinite artifact ETB.
Infinite artifact LTB.
Infinite artifact sacrifice triggers.
Infinite +1/+1 counters on creatures you control.
Infinite creature ETB.
Infinite creature LTB.
Infinite colored mana.
Infinite colorless mana.
Infinite death triggers.
Infinite landfall triggers.
Infinite creature sacrifice triggers.
Metadata
Bracket tag
ExhibitionBracket 1+
For any deck
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.