Cheapest priced copy (Reality Fracture Tokens): $0.35 at Card Kingdom, near mint, their price list as of .
Leviathan 
Creature — Leviathan · 10/10 · Rare · Fourth Edition Foreign Black Border · #80
Trample
This creature enters tapped and doesn't untap during your untap step.
At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap this creature.
This creature can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
9 printings · $0.35 to $10.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Fourth Edition Foreign Black Border | 80 | Rare | — | — |
| Fourth Edition | 80 | Rare | $1.29 | — |
| Fifth Edition | 98 | Rare | $1.29 | — |
| Beatdown Box Set | 12 | Rare | $0.99 | — |
| The Dark | 30 | Rare | $9.99 | — |
| Renaissance | 36 | Uncommon | — | — |
| Reality Fracture Tokens | 6 | Common | $0.35 | $0.49 |
| Marvel Super Heroes Tokens | 5 | Common | $0.35 | $0.49 |
| Time Spiral Timeshifted | 23 | Special | $0.99 | $10.99 |
One ruling from Wizards of the Coast
- 4 October 2004You don't have to pay the untap cost if it is untapped outside the upkeep phase or is untapped by an effect.