Cheapest priced copy (Core Set 2020): $1.99 at Card Kingdom, near mint, their price list as of .
Marauding Raptor 
Creature — Dinosaur · 2/3 · Rare · Core Set 2020 · #150
Creature spells you cast cost {1} less to cast.
Whenever another creature you control enters, this creature deals 2 damage to it. If a Dinosaur is dealt damage this way, this creature gets +2/+0 until end of turn.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
5 printings · $1.99 to $8.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The Lost Caverns of Ixalan Commander | 228 | Rare | $2.49 | — |
| Core Set 2020 | 150 | Rare | $1.99 | $5.99 |
| The List | M20-150 | Rare | $2.49 | — |
| Core Set 2020 Promos | 150p | Rare | $3.49 | $5.99 |
| Core Set 2020 Promos | 150s | Rare | — | $8.99 |
2 rulings from Wizards of the Coast
- 12 July 2019Effects that reduce the generic mana cost of a spell (such as that of Marauding Raptor) can't reduce that spell's colored mana requirements.
- 12 July 2019Marauding Raptor's cost reduction doesn't affect itself.