Although your commander is a 7-drop, you can cast it very fast with mana rocks, as early as turns 2-3
Next, once per turn you can put a card facedown into your inkwell at any time and then perform a list of other actions as many times as youd like
Jumping into TCGs for the first time with Ruby/Emerald might not be the best move, for example, but it's an excellent choice with the right tactics
Doubling your mana at such a lower cost lets this deck seize an early lead and drown the table beneath massive monsters before they have a chance to react
Evasive appears to work in a similar manner to Magic: The Gatherings Flying keyword, requiring cards to have the keyword in order to block or attack other cards that have it
These days Id expect to see it as a white enchantment, but its still a cool, if unusual stax piece