Dinosaur Stampede 
Instant
Attacking creatures get +2/+0 until end of turn. Dinosaurs you control gain trample until end of turn.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Instant
Attacking creatures get +2/+0 until end of turn. Dinosaurs you control gain trample until end of turn.