The concept of card advantage bridges the gap between acquiring resources and then actually putting those cards to use to execute a game plan
Hullbreacher is a three-mana Blue creature that lets you turn opponents card draws into extra mana for yourself, which is kind of obscene
If you choose the same opponent that Blitzwing, Adaptive Assailant had connected with, that player will lose at least 3 more life
Azula can be a combo commander that copies Fork variants to trigger magecraft, a storm deck that relies on copying rituals and draw spells, or just a big mana deck that either casts huge instants like Invoke Calamity or uses flash enablers to churn out Breach the Multiverse mid-combat
I have convinced myself that there is a very clear winner for most valuable measurable thing: Time CMC/MV acts as the Money/Time Continuum for resource management in mtg
The problem is that the sender does not have to prove that the information is copyrighted and illegal.) Like many derivative works, Forge was written because I enjoyed Magic very much