Kruin Striker is a common Creature — Human Warrior card from Double Masters 2022 (2X2), collector number 114. Current market price: $0.07 (foil $0.13), TCGplayer market prices via Scryfall.
Whenever another creature you control enters, this creature gets +1/+0 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)