Kat, Collector of Hobbies

Evolve(Whenever a creature enters the battlefield under your control, if that creature
has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
Whenever a +1/+1 counter is put on Kat, Collector of Hobbies, you may have Kat gain target creature's abilities until end of turn.
"She is as smart as she is pretty." - Aryanf