Brimaz is notably weaker than Atraxa at 4 mana, has access to fewer colors, and requires you run an at least semi-typal deck
It hits for 18 damage in a 4-player game on its own, and any sort of on-combat benefits really push it over the top
Red Goatnap isnt a true removal spell, but this is another format with strong sacrifice outlets like Carrion Feeder
[117] When Kaiba and Yami were Dueling Dartz, the leader of Doma, Dartz Summoned four "Mirror Knight Tokens"
#17 i cant say anything about Canada, but my walmart hasnt stalked much of anything this month
If you somehow control Battle of Hoover Dam and no choice was made for it (perhaps because another permanent on the battlefield became a copy of it), it has neither of the two triggered abilities