Legendary Creature — Human Ranger Hero

Firebird, Blazing Ranger

Firebird, Blazing Ranger trading card

Legendary Creature — Human Ranger Hero2 exact printings

Flying Whenever Firebird attacks, other attacking creatures get +X/+0 until end of turn, where X is Firebird's power.

From Magic: The Gathering.

Exact printings

Marvel Super Heroes Commander - #360 · rare · NORMAL · EN
Marvel Super Heroes Commander - #50 · rare · FOIL · EN

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o44xz1th1pb1hlw6u89p4.