Activate Stinkweed Imp's cycling ability by paying {0} and discarding it, causing you to mill a number of cards and return Stinkweed Imp from your graveyard to your hand due to its dredge ability.
Repeat.

Infinite self-mill

Rhet-Tomb Mystic

New Perspectives

Stinkweed Imp

Activate Blazing Rootwalla's cycling ability by paying {U} and discarding it, discarding it into exile due to its madness ability.
Blazing Rootwalla's madness ability triggers, causing you to pay {0} to cast it from exile.
Activate Phyrexian Altar by sacrificing Blazing Rootwalla, adding {U}.
When Blazing Rootwalla dies, Mortuary triggers, putting it from your graveyard onto the top of your library.
Resolve the cycling ability from step 1, causing you to draw Blazing Rootwalla from the top of your library.
Repeat.

Infinite LTB

Infinite ETB

Infinite sacrifice triggers

Infinite death triggers

Infinite storm count

Infinite self-discard triggers

Infinite draw triggers

Blazing Rootwalla

Fluctuator

Phyrexian Altar

Mortuary

Activate Basking Rootwalla's cycling ability by paying {U} and discarding it, discarding it into exile due to its madness ability.
Basking Rootwalla's madness ability triggers, causing you to pay {0} to cast it from exile.
Activate Phyrexian Altar by sacrificing Basking Rootwalla, adding {U}.
When Basking Rootwalla dies, Mortuary triggers, putting it from your graveyard onto the top of your library.
Resolve the cycling ability from step 1, causing you to draw Basking Rootwalla from the top of your library.
Repeat.

Basking Rootwalla

Combos with "Rhet-Tomb Mystic"