Cheapest priced copy (Magic Origins): $0.59 at Card Kingdom, near mint, their price list as of .
Ghirapur Aether Grid 
Enchantment · Uncommon · Magic Origins · #148
Tap two untapped artifacts you control: This enchantment deals 1 damage to any target.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.59 to $3.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| March of the Machine Commander | 281 | Uncommon | $0.69 | — |
| Magic Origins | 148 | Uncommon | $0.59 | $3.99 |
One ruling from Wizards of the Coast
- 22 June 2015You may tap any two untapped artifacts you control, including artifact creatures that haven't been under your control continuously since the beginning of your most recent turn.