Leviathan [Fourth Edition (Foreign Black Border)] Rogue Rat and expansion symbol) plus a

and expansion symbol) plus a small Planeswalker symbol in their lower-left corner

It's a one-ecosystem army

Set: Japan Junior Tournament Type: Creature — Elf Rarity: Rare Cost: {1}{G}{G} Other Elf creatures get +1/+1 and have forestwalk

An opponent chooses a nonland card exiled this way

Travel back in time to command powerful artifacts and giant robots

Leviathan [Fourth Edition (Foreign Black Border)] Rogue Rat and expansion symbol) plus aSet: Fourth Edition (Foreign Black Border) Type: Creature Leviathan Rarity: Rare Cost: {5}{U}{U}{U}{U} Trample Leviathan enters the battlefield tapped and doesn't untap during your untap step. At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap Leviathan. Leviathan can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)