Cheapest priced copy (Eldritch Moon): $0.35 at Card Kingdom, near mint, their price list as of .
Terrarion 
Artifact · Common · Eldritch Moon · #201
This artifact enters tapped.
{2}, {T}, Sacrifice this artifact: Add two mana in any combination of colors.
When this artifact is put into a graveyard from the battlefield, draw a card.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
5 printings · $0.35 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Eldritch Moon | 201 | Common | $0.35 | $0.99 |
| Jumpstart | 488 | Common | $0.35 | — |
| Salvat 2005 | D19 | Common | — | — |
| Salvat 2005 | D20 | Common | — | — |
| Ravnica: City of Guilds | 273 | Common | $0.35 | $2.49 |
5 rulings from Wizards of the Coast
- 1 October 2005You draw a card no matter how Terrarion winds up in a graveyard from the battlefield.
- 1 October 2005You get the mana before you draw the card.
- 1 October 2005You can get either two mana of the same color or one mana each of different colors.
- 13 July 2016You must choose the colors of mana Terrarion produces before its last ability has you draw a card.
- 13 July 2016Terrarion’s last ability triggers no matter how it’s put into a graveyard from the battlefield.