Auspicious Ancestor 

Creature — Human Cleric
When this creature dies, you gain 3 life.
Whenever a player casts a white spell, you may pay . If you do, you gain 1 life.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL