Its similar to mana in Magic: The Gathering
The best or most important cards in the deck are Cranial Plating, Inkmoth Nexus, Ichorclaw Myr and then probably the other good infectors to include Blighted Agent, Glistener Elf, Necropede, Plagued Myr, Plague Stinger and perhaps even Vector Asp
While not paying mana is good , you only have a few slots for these spells in your deck
Pilgrim's Eye is a decent value creature that should see play in all but the most aggressive decks
Despite the potential and Wizards of the coast showed interest in implementing Magic Arena at some point in their circuit they have been more focused on making the game great during that time in the Open Beta
With this interesting update, the MTG releases of 2024 are being wrapped up with a finalization to their gameplay