First, the champion, playing Mono-Black Necro Control: Creatures (7) Lands (23) Spells (30) 4 Nevinyrral's Disk 1 Hymn to Tourach 4 Necropotence 1 Ivory Tower 4 Dark Ritual 4 Drain Life 3 Stupor 2 Mind Warp 3 Contagion 1 Serrated Arrows 2 Demonic Consultation 1 Zuran Orb Sideboard Then, in third place, representing the aggro decks of the format, Brian Hackers Bad Moon Necro: Creatures (19) Lands (21) Spells (20) And then finally carrying on the fine tradition of B/r Necro-decks, Chris Pikula, who actually increased the red presence in the deck with Incinerates and multiple maindeck Shatters (Winter Orb, Howling Mine, Serrated Arrows, even Black Vise, Ivory Tower, and Zuran Orb were worthy targets)
However, when that happens, you will annex three cards a turn with your taxes, every turn, for no additional investment beyond the initial white mana it took to play the card
Unnatural Selection If you're interested in changing specific Creatures and not altering every single one you control, you could explore Unnatural Selection
Containment Priest completely shuts down Dredge, Oops and Reanimator strategies (when you come across them) and, frankly, has caused more immediate concessions than almost any other sideboard card
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This card is playable in expanded format, making it highly sought after for players seeking M Rayquaza EXs powerful stats and ability to deal damage