Santa, the Corrupted

Indestructible
Whenever Santa, the Corrupted becomes untapped, you may have target opponent gain 1 life. If you do, put a 0/1 red zombie elf token into play under your control.
{w}{u}{r} Sacrifice X elves: another target creature gets -X/-X until end of turn.
You don't wanna be on his naughty list.