Tibor and Lumia is a rare Legendary Creature — Human Wizard card from GRN Guild Kit (GK1), collector number 44. Current market price: $0.22, TCGplayer market prices via Scryfall.
Whenever you cast a blue spell, target creature gains flying until end of turn. Whenever you cast a red spell, Tibor and Lumia deals 1 damage to each creature without flying.