Cheapest priced copy (Aetherdrift): $0.69 at Card Kingdom, near mint, their price list as of .
District Mascot 
Creature — Dog Mount · 0/0 · Rare · Aetherdrift · #344
This creature enters with a +1/+1 counter on it.
{1}{G}, Remove two +1/+1 counters from this creature: Destroy target artifact.
Whenever this creature attacks while saddled, put a +1/+1 counter on it.
Saddle 1
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
6 printings · $0.69 to $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Aetherdrift | 158 | Rare | $0.69 | $0.99 |
| Aetherdrift | 344 | Rare | $0.79 | $1.99 |
| Aetherdrift | 466 | Rare | — | $2.49 |
| Aetherdrift | 543 | Rare | — | $6.99 |
| Aetherdrift Promos | 158p | Rare | $0.69 | $0.99 |
| Aetherdrift Promos | 158s | Rare | — | $2.99 |
6 rulings from Wizards of the Coast
- 7 February 2025An ability that triggers when a creature “attacks while saddled” will trigger only if that creature was saddled when it was declared as an attacker.
- 7 February 2025“Saddled” isn’t an ability that a creature has. It’s just something true about that creature. It won’t stop being saddled until the turn ends or it leaves the battlefield.
- 7 February 2025You may activate a permanent’s saddle ability even if that permanent is already saddled.
- 7 February 2025If a permanent becomes a copy of a saddled Mount, the copy won’t be saddled.
- 7 February 2025Creatures with saddle can attack or block as normal even if they aren’t saddled.
- 7 February 2025“Saddle N” means “Tap any number of other untapped creatures you control with total power N or greater: This permanent becomes saddled until end of turn. Activate only as a sorcery.”