Cheapest priced copy (Secrets of Strixhaven Commander): $0.99 at Card Kingdom, near mint, their price list as of .
Shadrix Silverquill 
Legendary Creature — Elder Dragon · 2/5 · Mythic · Strixhaven: School of Mages Promos · #230p
Flying, double strike
At the beginning of combat on your turn, you may choose two. Each mode must target a different player.
• Target player creates a 2/1 white and black Inkling creature token with flying.
• Target player draws a card and loses 1 life.
• Target player puts a +1/+1 counter on each creature they control.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
7 printings · $0.99 to $34.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Strixhaven: School of Mages Promos | 230p | Mythic | $1.49 | $8.99 |
| Strixhaven: School of Mages Promos | 230s | Mythic | — | $7.99 |
| Secret Lair Drop | 2130 | Mythic | — | — |
| Secrets of Strixhaven Commander | 330 | Mythic | $0.99 | — |
| Strixhaven: School of Mages | 230 | Mythic | $0.99 | $3.99 |
| Strixhaven: School of Mages | 280 | Mythic | $8.99 | $34.99 |
| Tarkir: Dragonstorm Commander | 302 | Mythic | $0.99 | — |
2 rulings from Wizards of the Coast
- 16 April 2021You may choose exactly zero modes or two modes. You can't choose only one mode. If you choose two modes, you choose which two and the target players as you put the triggered ability on the stack.
- 16 April 2021You can target a player with the third mode even if they control no creatures.