Krizor, Voice of Hell's Maw

Haste
At the beginning of combat on your turn you may sacrifice either a land or a creature. If you sacrifice
a land Krizor, Voice of Hell's Maw deals 3 damage
to target creature or planeswalker. If you sacrifice
a creature put a creature from your hand onto the battlefield, it gains haste until end of turn.
Sacrifice it at the beginning of the next end step.