The Lux Foundation Library
Plane — The Library
Players have no maximum hand size. Whenever a creature you control deals combat damage to a player, you may draw a card. Whenever chaos ensues, put a shadow counter on target creature. (A creature with shadow can block or be blocked by only creatures with shadow.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL