Mari, the Killing Quill Mari, the Killing Quill puts hits on opponents creatures, makes your hitman-like creatures deadly, and turns these hits into huge advantages
He will get huge really quick and threaten opponents easily enough, not to mention the evasion he bring to your forces as well
This is a downside if you're removing +1/+1 counters or similar, but removing a lore counter from a saga is all upside, keeping it in play for another turn and rebuying your earlier saga abilities
These symbols allow us to build searches for creatures that generate mana, abilities that cost mana, cost reduction effects, specific mana costs, and much more
It almost feels unfair how far ahead you can get with an early Jeskas Will, especially if you have a 2-drop commander that curves into it while peoples hands are still full
Mind you, going back far enough and you would find Phantom Nishoba, Akroma and Visara somewhere on the list