Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose a new target for the copy.)
{X}{U}{B}
Mind Grind
Sorcery
Each opponent reveals cards from the top of their library until they reveal X land cards, then puts all cards revealed this way into their graveyard. X can't be 0.
{U}{B}
Paranoid Delusions
Sorcery
Target player mills three cards.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)
{3}{U}{B}
Phenax, God of Deception
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to blue and black is less than seven, Phenax isn't a creature.
Creatures you control have "{T}: Target player mills X cards, where X is this creature's toughness."
4 /
7
{1}{U}{B}
Pilfered Plans
Sorcery
Target player mills two cards. Draw two cards.
{X}{U}{B}
Psychic Drain
Sorcery
Target player mills X cards and you gain X life.
{4}{U}
Psychic Spiral
Instant
Shuffle all cards from your graveyard into your library. Target player mills that many cards.
{1}{U}{B}
Psychic Strike
Instant
Counter target spell. Its controller mills two cards.