Goblin Flotilla is a rare Creature — Goblin card from Fallen Empires (FEM), collector number 55. Current market price: $0.77, TCGplayer market prices via Scryfall.
Islandwalk (This creature can't be blocked as long as defending player controls an Island.) At the beginning of each combat, unless you pay {R}, whenever this creature blocks or becomes blocked by a creature this combat, that creature gains first strike until end of turn.