Gift Of Madness

Assist
(Another player can pay up to 5 of this spells cost)
For each player, choose friend or foe.
Each friend gets a "High Madness" emblem with :
"All spells have madness {x} where X is 2 plus
one of the cards color identity."
Each Foe puts the top 3 cards of their library
into their graveyard.