Xander's Wake 
Enchantment
Whenever one or more creatures you control die, draft a card from Xander's Wake's spellbook. This ability triggers only once each turn.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL