Squee's Revenge by paying ({1} magic symbol) ({U} magic symbol) ({R} magic symbol) . Choose a number equal to at most half your deck size, rounded down.
Resolve
Squee's Revenge, winning all flips due to
Edgar and drawing twice that many cards.
Notes
If your deck size is even, you can draw your entire library. If it's odd, you'll have at least one card remaining.
Results
Infinite card draw.
Infinite draw triggers.
Metadata
In 4928 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Ruthless (Bracket 4+).