msem-instigator

Brazen Sacrilege deals 2 damage to any target. Until end of turn, if a red source you control would deal damage to that player or to that permanent's controller, it deals that much damage plus 1 instead.

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a legendary spell or activate an ability of a legendary permanent.

Exile target nonland permanent if its mana value is less than or equal to the greatest number of nonland permanents controlled by a single player.

Destroy target artifact or enchantment. Its controller gains 4 life.

Target opponent reveals their hand. You choose a nonland card from it. If you can't, they discard a card. Otherwise, that player discards a card, then if they didn't discard the chosen card, you create a tapped Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)

Players can't gain life.
Whenever a player casts a spell, Rage of the Ravaged deals 1 damage to that player.

Destroy all nonland permanents with mana value 3 or less.

Return target creature to its owner's hand. Its controller loses 1 life.

{T}, Pay 1 life, Sacrifice Wayfarer's Shrine: Search your library for a basic land card, put it onto the battlefield, then shuffle.