Right now, I would say three, since that's the casting cost of many counterspells, but the number that matters is the one for this set
A 5/7 Inkable character like this is incredibly tanky, while the Witching Hour is such a strong effect letting you and your opponent draw three, discard three, and then punishing your opponent for letting them dare to draw as many cards as you
Legendary Enchantment Creature Saga Elemental (As this Saga enters and after your draw step, add a lore counter.) I, II Mesmerize Target creature can't be blocked this turn
All the sevens here are pretty flavorful, and actually play into some potent synergies well cover later
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Theres not a special version of a single card, the way there was a Phyrexian Vorinclex in Kaldheim, or a special subset as in the Mystical Archive