Usubeni, Pale Rose

First Strike, Trample
Whenever Usubeni deals combat damage to a player,
you may pay X life, where X is the damage dealt.
If you do, Draw then Discard X cards and deal
X damage to all opponents.
{3}{w}{b}: Untap Usubeni. After this main phase
there is is an additional combat phase followed by an
additional main phase.