Cheapest priced copy (Dominaria United): $0.79 at Card Kingdom, near mint, their price list as of .
Phoenix Chick 
Creature — Phoenix · 1/1 · Uncommon · Dominaria United · #140
Flying, haste
This creature can't block.
Whenever you attack with three or more creatures, you may pay {R}{R}. If you do, return this card from your graveyard to the battlefield tapped and attacking with a +1/+1 counter on it.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.79 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dominaria United | 140 | Uncommon | $0.79 | $0.99 |
2 rulings from Wizards of the Coast
- 9 September 2022If Phoenix Chick enters the battlefield attacking, it wasn't declared as an attacking creature that turn. Abilities that trigger when a creature attacks won't trigger.
- 9 September 2022As Phoenix Chick returns to the battlefield because of its triggered ability, you choose which opponent or opposing planeswalker it's attacking. It doesn't have to attack the same opponent or opposing planeswalker as your other attacking creatures.