Keen-Eyed Curator 
Creature — Raccoon Scout
As long as there are four or more card types among cards exiled with this creature, it gets +4/+4 and has trample.
: Exile target card from a graveyard.
Legality
standardLEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL