Tasha's Hideous Laughter (PAFR)

Sorcery

Each opponent exiles cards from the top of their library until that player has exiled cards with total mana value 20 or more.

The raging behir reared back, opened its terrible maw . . . and collapsed in a fit of horrifying giggles.
Ilse Gort
78s/240
uuid: f71b1b78-c818-522e-bcd1-4413c280312a