Cheapest priced copy (Star Trek Commander): $9.99 at Card Kingdom, near mint, their price list as of .
Central Plexus Core 
The Immortal Sun
Legendary Artifact · Mythic · Star Trek Commander · #347
Players can't activate planeswalkers' loyalty abilities.
At the beginning of your draw step, draw an additional card.
Spells you cast cost {1} less to cast.
Creatures you control get +1/+1.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
7 printings · $9.99 to $32.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander Masters | 393 | Mythic | $12.99 | $17.99 |
| Commander Masters | 608 | Mythic | — | — |
| Rivals of Ixalan Promos | 180p | Mythic | $18.99 | $22.99 |
| Rivals of Ixalan Promos | 180s | Mythic | — | $32.99 |
| Rivals of Ixalan | 180 | Mythic | $13.99 | $22.99 |
| Star Trek Commander (Central Plexus Core) | 347 | Mythic | $14.99Out of stock | $14.99 |
| Star Trek Commander (Central Plexus Core) | 495 | Mythic | $9.99 | $14.99 |
One ruling from Wizards of the Coast
- 19 January 2018To determine the total cost of a spell, start with the mana cost or alternative cost you're paying, add any cost increases, then apply any cost reductions. The mana value of the spell remains unchanged, no matter what the total cost to cast it was.