Finding artifacts with a mana value of 2 is also very useful in EDH since most of the mana rocks that see play in that format cost 2 mana, like the Signets and the Talismans
Its about as close to a dual land with no downsides as youll ever see, but you obviously dont need it unless youre already red/green
If the target creature's controller doesn't have a sideboard, perhaps because you're playing a format that doesn't use a sideboard, they won't reveal or cast anything
Its not an expensive card TCGPlayers market value tracks it at about $6 but it can pack a punch
This means youre never truly tapped out, and your opponents always have to fear the free counter
(Additionally, some of these effects are often built into tribal rewards on creatures for the tribe, such as Heron's Grace Champion being a combat trick in addition to also being a creature.) Additionally, there are cards that want your deck to have a higher overall count of a creature type to make sure they work more often