Cheapest priced copy (Amonkhet): $4.99 at Card Kingdom, near mint, their price list as of .
Cruel Reality 
Enchantment — Aura Curse · Mythic · Amonkhet · #84
Enchant player
At the beginning of enchanted player's upkeep, that player sacrifices a creature or planeswalker of their choice. If the player can't, they lose 5 life.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
5 printings · $4.99 to $8.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Amonkhet | 84 | Mythic | $4.99 | $4.99 |
| Amonkhet Promos | 84s | Mythic | — | $8.49 |
| The Zeta Set | 36 | Uncommon | — | — |
| The Zeta Set | 157 | Uncommon | — | — |
| The Zeta Set | 278 | Uncommon | — | — |
3 rulings from Wizards of the Coast
- 18 April 2017The enchanted player can’t choose to lose 5 life if they have a creature or planeswalker that can be sacrificed.
- 18 April 2017The enchanted player chooses a permanent to sacrifice from among the creatures and planeswalkers that player controls. You don’t choose which type of permanent the player has to sacrifice.
- 19 January 2018There are many important moments in the story, but the most crucial—called “story spotlights”—are shown on cards. These cards have the Planeswalker symbol in their text box; this symbol has no effect on gameplay. You can read more about these events in the official Magic fiction at http://www.mtgstory.com.