The Grim Reaper

Deathtouch
when this card enters the battlefield each opponent
must sacrifice their most and least powerful creatures.
{10}{b}{b} Kill all of your opponents creatures then
return them to the battlefield on your team
When this creature dies all creatures you control
gain protection from everything until end of turn.
4 turns later return this card to the battlefield.
"It's the scythe isn't it? people always notice the scythe."
- Death