Directly Engage

-Target creature you control fights a creature controlled by your opponent. You may pay {x}, your opponent must play {x}{x} or until the end
of turn your creature gains your choice of indestructible or has 'when this creature deals
damage to another creature, the owner of that creature takes equal damage'.
—
"Back in my day we simply punched the bad guy
and moved on. These days it can take a little more
force." - Bronze Torpedo