Cheapest priced copy (Tarkir: Dragonstorm): $0.35 at Card Kingdom, near mint, their price list as of .
Equilibrium Adept 
Creature — Dog Monk · 2/4 · Uncommon · Tarkir: Dragonstorm · #106
When this creature enters, exile the top card of your library. Until the end of your next turn, you may play that card.
Flurry — Whenever you cast your second spell each turn, this creature gains double strike until end of turn.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Tarkir: Dragonstorm | 106 | Uncommon | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 4 April 2025Spells that were cast before a permanent with flurry count. If that permanent was the first spell you cast that turn, the next spell you cast that turn is your second spell.
- 4 April 2025You pay all costs and follow all timing rules for cards played this way. For example, if the exiled card is a land card, you may play it only during your main phase while the stack is empty.