Varkus Tor, the Protector

Whenever an opponent casts a spell, creatures
that player controls can't attack you or a
planeswalker you control this turn unless their
controller pays {1} for each of those creatures.
{2}{u}{g}: Draw a card, then put a +1/+1 counter
on Varkus Tor, the Protector. Activate this ability
only if a creature dealt damage to you this turn.
{3}{b}{r}: Destroy target creature that dealt
damage to you this turn.