it just never ends
So OP10-018-ten-layer-igloo is an answer for a high-power attack, or it could be used to shut down two attackers, countering the first with the Power boost and reducing the Power of the other attacker before it gets to attack
When the last is removed, cast it without paying its mana cost.) Search your library for a card, put that card into your hand, then shuffle
It tests ones patience and fortitude
One of the best phasing cards in Magic, Teferi's Protection is like a mega-fog, protecting you and your permanents not only from combat damage, but from board wipes, removal, and other damage sources, too
There will be one obvious marquee mythic rare in the $30-$40 range like Voice of Resurgence, one (maybe two) other marquee mythics in the $15-$20 range like Blood Baron of Vizkopa, a mediocre planeswalker like Ral Zarek, and a couple of mid-value rares in the $3-$5 range