Segovian Leviathan [Classic Sixth Edition] XY15 I know how to fight

I know how to fight

Set: Shadowmoor Type: Artifact Rarity: Common Cost: {2} When Elsewhere Flask enters the battlefield

Set: March of the Machine Type: Creature — Treefolk Druid Rarity: Uncommon Cost: {1}{G} When Herbology Instructor enters the battlefield

Koth Type: Creature — Slith Rarity: Uncommon Cost: {1}{U}{U} Whenever Slith Strider becomes blocked

Set: Commander Legends Type: Legendary Creature — Treefolk Shaman Rarity: Rare Cost: {3}{W}{B}{G} Vigilance

Segovian Leviathan [Classic Sixth Edition] XY15 I know how to fightSet: Classic Sixth Edition Type: Creature Leviathan Rarity: Uncommon Cost: {4}{U} Islandwalk (This creature can't be blocked as long as defending player controls an Island.) "Leviathan, too! Can you catch him with a fish hook or run a line round his tongue?" *The Bible*, Job 41: 1