The Grinch

When The Grinch enters the battlefield, sacrifice
all Gift and Toy Tokens, the grinch receives a
+1/+1 counter for each Gift token destroyed and
+2/+0 for each Toy token destroyed
{r}{r}{g}{r/g}: The Grinch gains Menace until
end of turn.
Any player that controls a Human may spend {3} to challenge the Grinch to a 1v1, if they win,
The Grinch's heart grows three sizes and switches
to their team and ability mana converts to
colorless. The Grinch loses all counters.