If your strategy depends on getting through your sagas chapters quickly, proliferate effects are useful, but Doubling Season is probably king, as it doubles up the counters you add to your sagas
This also gives you the option of heading straight to the Deck Builder, which brings us to our next question and answer
Raph & Leo, Sibling Rivals Raph & Leo, Sibling Rivals have one of the easiest extra combat effects in the game, and untapping two attackers has a multitude of uses to make this exceptionally good for an easy to cast three hybrid mana
Translating that to a physical card game is a much shorter leap than it would be for most other gaming franchises
And this is from someone who doesnt enjoy either Origin forme
In this case, it's 10,000 Needles, which will always hit you for a guaranteed 10,000 damage