Mana Leak

Counter target spell unless its controller pays {3}.

Delver of Secrets

At the beginning of your upkeep, look at the top card of your library. You may reveal that card. If an instant or sorcery card is revealed this way, transform Delver of Secrets.

Insectile Aberration

Delver of Secrets // Insectile Aberration

Dream Twist

Target player mills three cards.
Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Halimar Depths

Halimar Depths enters tapped.
When Halimar Depths enters, look at the top three cards of your library, then put them back in any order.
{T}: Add {U}.

Mind Sculpt

Shriekgeist

Flying
Whenever Shriekgeist deals combat damage to a player, that player mills two cards.

Thought Scour

Target player mills two cards.
Draw a card.

Tome Scour

Spire Golem

Affinity for Islands (This spell costs {1} less to cast for each Island you control.)
Flying

Memory Lapse

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Island

Spell Pierce

Counter target noncreature spell unless its controller pays {2}.

Compelling Argument

Target player mills five cards.
Cycling {U} ({U}, Discard this card: Draw a card.)

Countermand

Counter target spell. Its controller mills four cards.

Vapor Snag

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

Psychic Barrier

Counter target creature spell. Its controller loses 1 life.

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