Eidolon of Philosophy

{6}{U}, Sacrifice Eidolon of Philosophy: Draw three cards.

Mind Control

Enchant creature
You control enchanted creature.

{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.

Desert of the Mindful enters tapped.
{T}: Add {U}.
Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

{4}{G}: Rockcaster Platoon deals 2 damage to each creature with flying and each player.

Each player can't cast more than one spell each turn.

Counter target spell unless its controller pays {X}, where X is its mana value.

Draw a card.
Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

At the beginning of your upkeep, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Counter target spell unless its controller pays {X}.