FOILCheapest priced copy (Shadows over Innistrad): $19.99 at Card Kingdom, near mint, their price list as of .
Relentless Dead 
Creature — Zombie · 2/2 · Mythic · Secret Lair Drop · #850
Menace (This creature can't be blocked except by two or more creatures.)
When this creature dies, you may pay {B}. If you do, return it to its owner's hand.
When this creature dies, you may pay {X}. If you do, return another target Zombie creature card with mana value X from your graveyard to the battlefield.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
3 printings · $19.99 to $27.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Shadows over Innistrad Promos | 131s | Mythic | — | $27.99Out of stock |
| Secret Lair Drop | 850 | Mythic | — | $27.99Out of stock |
| Shadows over Innistrad | 131 | Mythic | $19.99 | $19.99Out of stock |
2 rulings from Wizards of the Coast
- 8 April 2016Relentless Dead’s last two abilities trigger at the same time and can be put on the stack in either order. The ability put on the stack first will be the last to resolve.
- 8 April 2016You decide whether to pay for each triggered ability as it resolves. If you do, the rest of that ability’s effect happens before any player may take actions.