Cheapest priced copy (Ravnica: Clue Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Dagger Caster 
Creature — Lizard Rogue · 2/3 · Uncommon · Ravnica Allegiance · #97
When this creature enters, it deals 1 damage to each opponent and 1 damage to each creature your opponents control.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.35 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Ravnica: Clue Edition | 130 | Uncommon | $0.35 | — |
| Ravnica Allegiance | 97 | Uncommon | $0.35 | $1.49 |
One ruling from Wizards of the Coast
- 25 January 2019In a Two-Headed Giant game, Dagger Caster’s ability causes the opposing team to lose 2 life.