Cheapest priced copy (Commander Anthology): $2.29 at Card Kingdom, near mint, their price list as of .
Mana-Charged Dragon 
Creature — Dragon · 5/5 · Rare · Commander 2011 · #129
Flying, trample
Join forces — Whenever this creature attacks or blocks, each player starting with you may pay any amount of mana. This creature gets +X/+0 until end of turn, where X is the total amount of mana paid this way.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $2.29 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander Anthology | 84 | Rare | $2.29 | — |
| Commander 2011 | 129 | Rare | $2.49 | — |