Fiendslayer Paladin 
Creature — Human Knight
First strike (This creature deals combat damage before creatures without first strike.) Lifelink (Damage dealt by this creature also causes you to gain that much life.) This creature can't be the target of black or red spells your opponents control.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL