Enchantment Maelstrom Nexus The first spell you cast each turn has cascade
This is only possible when the card draw is cheap, immediate, and opens the doors to the mass removal occurring on either players turn
That sure is a lot of fantastical terms all at once, but essentially it means that were storytelling magicians competing against each other by summoning copies of Disney characters to see who can gather the required lore first
Like Yshtola, Graha also revolves around the usage of noncreature spells, though he is not restricted by their mana value
The best bit is it is so easy to get around the once-each-turn limitation if you just blink it with Displacer Kitten and start the whole thing off again
Seven power, to be precise, although more is always nice too