(11/10/2020) As Karametra enters the battlefield, your devotion to green and white will determine whether any replacement effects that affect creatures entering the battlefield apply
Many Equipment provide stat boosts, such as Behemoth Sledge, Blackblade Reforged, and Hexplate Wallbreaker, making hitting the seven threshold easier Some Equipment puts +1/+1 counters on the equipped creature, such as Power Fist and Pip-Boy 300, which makes it easier for creatures to permanently have seven power, with or without Equipment
This leads me to believe that Amethyst is the best Ink color in the game simply because its the only one that offers numerous ways to draw cards and cycle through your deck
You may play them this turn.
(2020-11-10) Activating Yuriko's commander ninjutsu ability isn't the same as casting Yuriko as a spell
But against a prepared table, this does not work