The Wall, Engulfed in Flame

Doublestrike, Bloodthirst 2
When The Wall, Engulfed in Flame enters the battlefield, you may sacrifice a creature. If you do, create two 4/1 skeletons with haste and menace. Sacrifice them at the beginning of your end step.
Whenever you sacrifice a creature, choose one:
-Target creature you control gains menace until
end of turn.
-Target creature you control gains haste until
end of turn.