I'm really liking Villians United. Their team-up is almost as good as Midnight Sons. They also have a 1 drop just like dagger. There may be some combo heavy decks that come with them. You can also team up more than 2 teams with it if you reveal a dual affilated character.
DCR-148
Coercion - Team-Up
Plot Twist, C, 2
Play Coercion only if you control a Villains United character.
As an additional cost to play Coercion, reveal a character card from your hand and choose one or more of its team affiliations.
Ongoing: Crossover Villains United and the chosen affiliations.
DCR-140
The Calculator - Noah Kuttler
Character, C, 1
1/1, Villains United
Vengeance: Whenever The Calculator becomes stunned, you may return him to his owner's hand.
Discard The Calculator >>> Search your deck for a card named Coercion, reveal it, put it into your hand, and shuffle your deck. Use this power only if The Calculator is in your hand.