You have at least three additional cards in your graveyard.
Mana Needed
available.
Steps
Cast
Path of the Pyromancer from your graveyard for its escape cost by paying and exiling three other cards from your graveyard, causing you to discard your hand, add for each card discarded this way, then draw a number of cards equal to the number of cards you discarded plus one.
Repeat.
Results
Infinite draw triggers.
Infinite rummaging.
Infinite self-discard triggers.
Near-infinite magecraft triggers.
Near-infinite red mana.
Near-infinite storm count.
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.