Attack on the Titans

Creatures with total power and toughness equal
to 2 get +1/+1.
Whenever a creature you control with power 2 or
less deals combat damage to a creature with
toughness 5 or greater, you may sacrifice X
Humans. If you do, target creature that has been
dealt damage this turn gets -X/-X until end of
turn.
"It's time to fight back."