The colon isnt any fancy regex syntax, its just how activated abilities are worded
And its going to take a while, you know, our timelines are not short, but were playing the long game. Other strategies Wizards is using to strengthen White is to give it more persistent and recurring threats that arent as vulnerable to the all-to-common board sweepers in Commander, as well as ways to protect those threats, and more ways to just win the game
The deck additionally features a number of mana rocks and acceleration effects to help cast your more expensive creatures ahead of curve, numerous removal spells, as well as card draw and effects to help make your creatures evasive so they can attack turn after turn (menace, etc)
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For this list, Im considering cards that deal consistent damage