Cephalid Shrine

Whenever a player casts an instant spell, counter it unless that player pays , where X is its mana value.

Whenever you cast a spell, you may have target player mill X cards, where X is the number of words in that spell's name.

Before any player casts a spell with the same name as a card in any graveyard, that player may say "sorry." If they don't, any other player may say "sorry" as the spell is being cast. When another player says "sorry" this way, counter the spell.

Whenever a player says "sorry" at any other time, Sorry deals 2 damage to that player.

Whenever an opponent casts a spell, you may draw a card unless that player pays .

Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays , where X is its mana value.

Cast this spell only if there are three or more players in the game.

Whenever a player casts a spell, each of that player's opponents may discard a card. If they do, counter that spell.