Creeper

Charge {3}{r}{r}, {t}: Creeper becomes charged.
Whenever Creeper is blocking or becomes
blocked you may choose to sacrifice it and deal 4
damage to each creature blocked by or blocking
it. Deal 5 damage instead if charged.
When Creeper deals damage to a player, if it is charged, you may sacrifice it and deal 1 damage
to every creature that player controls.