Cheapest priced copy (The Lost Caverns of Ixalan): $21.99 at Card Kingdom, near mint, their price list as of .
Bonehoard Dracosaur 
Creature — Dinosaur Dragon · 5/5 · Mythic · The Lost Caverns of Ixalan · #134
Flying, first strike
At the beginning of your upkeep, exile the top two cards of your library. You may play them this turn. If you exiled a land card this way, create a 3/1 red Dinosaur creature token. If you exiled a nonland card this way, create a Treasure token.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
4 printings · $21.99 to $37.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The Lost Caverns of Ixalan | 134 | Mythic | $21.99 | $24.99 |
| The Lost Caverns of Ixalan | 321 | Mythic | $24.99 | $32.99 |
| The Lost Caverns of Ixalan Promos | 134p | Mythic | $21.99Out of stock | $22.99 |
| The Lost Caverns of Ixalan Promos | 134s | Mythic | — | $37.99 |
3 rulings from Wizards of the Coast
- 10 November 2023If you exile a land card and a nonland card, you'll create a Dinosaur token, then a Treasure token.
- 10 November 2023If you exile two land cards, you'll create only one Dinosaur token. Similarly, if you exile two nonland cards, you'll create only one Treasure token.
- 10 November 2023You pay all costs and follow all normal timing rules for cards played this way. For example, if one of the exiled cards is a land card, you may play it only during your main phase while the stack is empty.