Syr Vondam, Sunstar Exemplar is a rare Legendary Creature — Human Knight card from Edge of Eternities (EOE), collector number 302. Current market price: $0.63 (foil $1.08), TCGplayer market prices via Scryfall.
Vigilance, menace Whenever another creature you control dies or is put into exile, put a +1/+1 counter on Syr Vondam and you gain 1 life. When Syr Vondam dies or is put into exile while its power is 4 or greater, destroy up to one target nonland permanent.