The artwork frame on a Shadowless card sits flat with no depth, no gray bar on the right edge of the art box
Other evergreen keywords include trample, flying, and deathtouch
There are so many fun things to mess around with when building a mill deck, no matter what format youre in, that picking something dull but efficient almost feels like a copout
So, Ertai is a great Enchantment sacrifice commander, but a pretty good Bad Gifts commander, too
Furthermore, simply telling players to ignore that until your next turn is much, much more intuitive than explaining the vagaries of flickering, and there are very few situations where phasing effects need any more thought than that
(1) special edition glitter-foil promotional card, The Queen Mirror Seeker (6) booster packs from Disney Lorcana TCG Set, The First Chapter