Shelob's Ambush 
Instant
Target creature gets +1/+2 and gains deathtouch until end of turn. Create a Food token. (It's an artifact with "
, 
, Sacrifice this token: You gain 3 life.")
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL