Hero card

Preposterous Proportions

Sorcery

SpellUsed once: what it does depends on when you cast it

Needs: Tokens, Big Mana

Gives: Spells

Not in winning lists yet: read from the card text and the graph

Build a deck with Preposterous Proportions as the hero

Makes it work

Ovika, Enigma Goliath · The Unbeatable Squirrel Girl · Morcant's Eyes · Snarl Song · Koma, World-Eater · Rise of the Varmints · Lathril, Blade of the Elves · The Astonishing Ant-Man

Use instead if you don't have it

Bustle · Rydia's Return · Overrun · Joraga Invocation

Cards in the meta that answer it

Countersculpt (Azorius Control) · Inevitable Defeat (4-Color Control) · No More Lies (Azorius Control) · We Say Thee Nay! (Dimir Aggro)