{T}: Add one mana of any color in your commander's color identity.

Imprint — When Knowledge Pool enters the battlefield, each player exiles the top three cards of their library. Whenever a player casts a spell from their hand, that player exiles it. If the player does, they may cast a spell from among other cards exiled with Knowledge Pool without paying its mana cost.

Flash Flying If an opponent would search a library, that player searches the top four cards of that library instead.

Flying When Cartographer's Hawk deals combat damage to a player who controls more lands than you, return it to its owner's hand. If you do, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

Flash If a nontoken creature would enter the battlefield and it wasn't cast, exile it instead.

Your opponents can't cast spells from anywhere other than their hands.

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

Each player who has cast a nonartifact spell this turn can't cast additional nonartifact spells.

Flying When Glint Hawk enters the battlefield, sacrifice it unless you return an artifact you control to its owner's hand.

Noncreature spells cost {1} more to cast.

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

Flash Flying Creatures entering the battlefield don't cause abilities to trigger.

Flying Historic spells you cast cost {1} less to cast. (Artifacts, legendaries, and Sagas are historic.)

Flying When Junk Diver dies, return another target artifact card from your graveyard to your hand.

Players can't search libraries. Any player may pay {2} for that player to ignore this effect until end of turn.

Flying Activated abilities of creatures your opponents control can't be activated.

As Phyrexian Revoker enters the battlefield, choose a nonland card name. Activated abilities of sources with the chosen name can't be activated.

Flying, first strike Whenever you cast a historic spell, Serra Disciple gets +1/+1 until end of turn. (Artifacts, legendaries, and Sagas are historic.)

Each player can't draw more than one card each turn.

Flying Whenever you cast a historic spell, return target creature card with mana value 3 or less from your graveyard to the battlefield. (Artifacts, legendaries, and Sagas are historic.)

First strike Noncreature spells cost {1} more to cast.

Creatures entering the battlefield don't cause abilities to trigger.

Flying Noncreature spells cost {1} more to cast.

Artifact and enchantment spells your opponents cast cost {2} more to cast. Sacrifice Aura of Silence: Destroy target artifact or enchantment.

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

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

Destroy all lands.