Beric Dondarrion

First Strike, Undying (When this creature dies if no
+1/+1 counters were put on it, it returns to the battlefield with +1/+1 counter on it.)
When Beric Dondarrion enters the battlefield
target opponent may have it deal 4 damage to
them. If a player does sacrifice Beric Dondarrion.
Whenever another creature enters the battlefield,
that creature gets +1/+0 and Haste.
"The lightning lord is everywhere and nowhere."