Theres a chance that this card could cause problems if powerful cards start to appear that grant all players Treasure Tokens as upside but it does appear to be less offensive than its partner in crime since theres no Treasure alternative to Wheel effects that can be initiated by Dockbreachers owner
It can play brilliantly in Commander, too either protecting you from an alpha strike, or saving your board from a Blasphemous Act
(Each deals damage equal to its power to the other.) Counter target noncreature spell unless its controller pays
Furthermore, while its your turn, you can activate Equip abilities as though you were casting an Instant spell
Splendid Genesis reads, Shuffle all cards in the game together and deal them into three decks
Combat Phase Beginning of Combat step: The most significant tactical aspect of your opponent's beginning of combat step is that it is after they are able to play non-instants, but before they have declared their attackers