Magic the Gathering: The Dark (Base Set) card 29 Giant Shark

*Name: Giant Shark
Type: Summon Shark
Play Cost: 5 Colorless, 1 Island
Stats: 4 Power/4 Toughness
Game Text: If Giant Shark blocks or is blocked by a creature that has taken damage this turn, Giant Shark gains +2/+0 and trample until end of turn. Giant Shark cannot attack unless opponent controls at least one island. Giant Shark is buried immediately if at any time controller controls no islands.
*Source: Front of card