banish it, then immediately after this effect resolves, you can Normal Summon 1 Winged Beast monster
Siding a Poly and 2 Gaion, or if you have a bunch of Extra Deck space main the 2 and side Poly or main the 1 if you have the space for that
Another criteria for this could be completely bypassing regeneration and indestructible
Decks draw extra cards so they can actually do something, and when a deck is built around extra draw with Wizards, players must ask: "What's the win condition?" There are a few answers to try, including intentional self-decking or "you win the game" effects
It is also the hardest card in the deck
2: Wan Shi Tong, Librarian I can see [[Wan Shi Tong, Librarian]] working as a mono-blue commander, but I think it truly shines in the 99