Cheapest priced copy (Dominaria United Commander): $0.49 at Card Kingdom, near mint, their price list as of .
Orca, Siege Demon 
Legendary Creature — Demon · 5/5 · Rare · Dominaria United Commander · #37
Trample
Whenever another creature dies, put a +1/+1 counter on Orca.
When Orca dies, it deals damage equal to its power divided as you choose among any number of targets.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dominaria United Commander | 37 | Rare | $0.49 | $0.49 |
| Dominaria United Commander | 59 | Rare | — | — |
3 rulings from Wizards of the Coast
- 9 September 2022If Orca, Siege Demon's last ability has multiple targets, and some but not all of them are illegal targets when the ability resolves, Orca, Siege Demon will still deal damage to the remaining legal targets according to the original damage division.
- 9 September 2022You announce how the damage will be divided as part of putting Orca, Siege Demon's last triggered ability on the stack. Each chosen target must receive at least 1 damage.
- 9 September 2022If all of the targets are illegal when the ability tries to resolve, it won't resolve and none of its effects will happen. Nothing will be dealt damage.