Tasha's Hideous Laughter
1395★Secret Lair Drop
Tasha's Hideous Laughter
{1}{U}{U}Each opponent exiles cards from the top of their library until that player has exiled cards with total mana value 20 or greater.
Heheheharr . . . awrr . . . uhuhuhuheh . . . ha-HA ha-HA!