Cthulhu, Master of Insanity

Menace, Trample, Annihilator 1
When Cthulhu, Master of Sanity enters play each player discards three random cards. For each card discarded, that player takes damage equal to the
total converted mana cost.
Madness {u/b}{u/b}{u/b}
{b}Oracle: Sacrifice a creature, Draw a card.
{u} Sleep: Tap target creature.