Obstinate Baloth 
Creature — Beast
When this creature enters, you gain 4 life. If a spell or ability an opponent controls causes you to discard this card, put it onto the battlefield instead of putting it into your graveyard.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL