If you don't have any untapped/available mana, you cannot cast anything else
I think the next step is to build the most powerful (and most boring) all round build with a selection of the crutch cards like Jitte and Force of Will in the list
Buffing up a Nyxborn Rollicker sounds like a pretty poor game plan
Wrap Up Goblin Engineer | Illustration by Jehan Choo Artifacts are one of Magics strongest card types, and the ability to find the one you need when you need it makes artifact tutors powerful themselves
Other MH3 Collector boosters exclusives are the textured foil treatment, and the foil etched treatment (including the eight mythic rare commanders from the Commander precons)
The mirror to Marvel Snap's many artwork variants for each card is quite obviously the immersive cards in Pokemon Pocket, and while we can only see the one example so far for Pikachu, it's these gorgeous, colorful, scene-setting cards that will inspire full collections