Asuka R. Kreutz, Gearmaker

Analysis and Interpretation - At the end of phases, every
two unspent mana gets turned into one Research Counter.

You may cast Creature and Sorcery spells as though they had flash.

Whenever you cast a colorless or multicolored spell for the first time each turn, add a Research counter.

Remove four research counters: Add five mana in any combination of {w}{u}{b}{r}{g}{c}, this does not count as a triggered or activated ability