Balduvian Avengers

First Strike, Trample, Haste
If Balduvian Avengers is blocked by a creature
with toughness less than Balduvian Avenger's
power, exile that creature. Return it to play under
its owner's control at the end of their next turn.
Any player may sacrifice any number of artifacts
and/or enchantments with a total converted
mana equal to/greater than Balduvian Avenger's.
If they do, sacrifice this creature.