Shanna, Purifying Blade 
Legendary Creature — Human Warrior
Lifelink
At the beginning of your end step, you may pay 
. If you do, draw X cards. X can't be greater than the amount of life you gained this turn.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL