Goblin Engineer [LIST - 128] 169 ((R/G) can be paid with

((R/G) can be paid with either R or G

That player reveals his or her hand

Rules Text Contains: Whenever an opponent activates an ability of a creature or land that isn’t a mana ability

return the removed cards to play under their owner's control

When Chaos Orb lands

Goblin Engineer [LIST - 128] 169 ((R/G) can be paid withRarity: R #: 128 Creature Type or Sub Type: Creature Goblin Artificer P: 1 T: 2 Rules Text Contains: When Goblin Engineer enters the battlefield, you may search your library for an artifact card, put it into your graveyard, then shuffle your library. R, T, Sacrifice an artifact: Return target artifact card with converted mana cost 3 or less from your graveyard to the battlefield.