It is pretty unlikely that another player has gained quite as much life as you, and if youre above 10,000 life, you can activate Aetherflux Reservoir at least 200 times, which is more than enough to deal with anything on your way to victory
These are Fear of Change from Alchemy: Duskmourn and Ornate Imitations from Alchemy: Aetherdrift
Green tutors take second place to blacks more versatile search effects, but greens options are still abundant
Angelfire Ignition The colors Red and White dont have a solid archetype to build around but contain a number of powerful beatdown cards like Angelfire Ignition
I think the viability of Seam Rip will depend on the format overall, but knowing how playable Portable Hole was, and still is in Pioneer makes me think this card will be an important removal suite option for Control decks
It exiles up to four threats, though politics do come into play