You pay 2 mana, tap the equipped creature and do 3 damage to any target
Some of the best Orzhov cards are not technically gold cards but do need to be played with access to both colours of mana to be worth it, as such the top ten is a top thirteen just in case you don't think they should count
As a side note, Ill mention that a decade or more ago, folks were calling Commander (well, its name back then, Elder Dragon Highlander or EDH) the dollar rare format. People started scouring trade binders for the kinds of things that no one wanted to play in other formats, like Time Stretch
When a player taps a creature for an attacking creature's enlist ability, that attacking creature gets +X/+0 until end of turn, where X is the tapped creature's power
The new Magic: The Gathering set, Duskmourn, maintains the pattern of bringing some cards with alternative anime-style illustrations
Spark Double was more deliberately pointed towards Commander, hence the positive legendary text