Skyfisher Spider 
Creature — Spider
Reach When this creature enters, you may sacrifice another creature. When you do, destroy target nonland permanent. When this creature dies, you may gain 1 life for each creature card in your graveyard. If you do, exile this creature from your graveyard.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL