Gandalf, White Rider is a rare Legendary Creature — Avatar Wizard card from The Lord of the Rings: Tales of Middle-earth (LTR), collector number 389. Current market price: $7.48, TCGplayer market prices via Scryfall.
Vigilance Whenever you cast a spell, creatures you control get +1/+0 until end of turn. Scry 1. When Gandalf dies, you may put it into its owner's library fifth from the top.
All The Lord of the Rings: Tales of Middle-earth cards and prices