Blurred Mongoose

This spell can't be countered.
Shroud (This creature can't be the target of spells or abilities.)

Urza's Rage

Kicker {8}{R} (You may pay an additional {8}{R} as you cast this spell.)
This spell can't be countered.
Urza's Rage deals 3 damage to any target. If this spell was kicked, instead it deals 10 damage to that permanent or player and the damage can't be prevented.

Insist

The next creature spell you cast this turn can't be countered.
Draw a card.