Resolute Survivors 
Creature — Human Warrior
You may exert this creature as it attacks. (It won't untap during your next untap step.) Whenever you exert a creature, this creature deals 1 damage to each opponent and you gain 1 life.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL