Gelatinous Overmind

MindDelve {4}(You may discard 4 cards and draw
3 card to reduce the cost of this spell by {4}.)
Gelatinous Overmind Power & Toughness are X.
{4}{r},{t} Gelatinous Overmind does 4 damage to
target creature and 2 damage to you.
{4}{u},{t} Tap target creature. Prevent all combat
damage that would be dealt by that creature this
turn. It doesn't untap during its controller's next
two untap steps.
"Our true lords in clouds, think lightnings."
-Mad Prophet