Cheapest priced copy (Marvel Super Heroes Commander): $0.35 at Card Kingdom, near mint, their price list as of .
Terrific Team-Up 
Instant · Uncommon · Marvel Super Heroes Commander · #819
This spell costs {2} less to cast if you control a permanent with mana value 4 or greater.
One or two target creatures you control each get +1/+0 until end of turn. They each deal damage equal to their power to target creature an opponent controls.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Marvel Super Heroes Commander | 819 | Uncommon | $0.35 | $0.49 |
| Marvel's Spider-Man | 120 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 19 September 2025If a permanent on the battlefield has {X} in its mana cost, X is 0 when determining its mana value.