Teyo, Lightshield Expert is a uncommon Legendary Creature — Human Cleric card from Reality Fracture (FRA), collector number 204. Current market price: $0.21 (foil $0.27), TCGplayer market prices via Scryfall.
Flash When Teyo enters, target permanent you control gains hexproof until end of turn. Put a +1/+1 counter on it if it's a creature. Put a loyalty counter on it if it's a planeswalker. (It can't be the target of spells or abilities your opponents control.)