Stormbound Geist

Flying Stormbound Geist can block only creatures with flying. Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Harvest Pyre

As an additional cost to cast Harvest Pyre, exile X cards from your graveyard. Harvest Pyre deals X damage to target creature.

Exclude

Counter target creature spell. Draw a card.

Condescend

Counter target spell unless its controller pays {X}. Scry 2 (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Prohibit

Kicker {2} (You may pay an additional {2} as you cast this spell.) Counter target spell if its converted mana cost is 2 or less. If Prohibit was kicked, counter that spell if its converted mana cost is 4 or less instead.

Swirling Sandstorm

Threshold - Swirling Sandstorm deals 5 damage to each creature without flying. (You have threshold if seven or more cards are in your graveyard.)

Seat of the Synod

(Seat of the Synod isn't a spell.) {T}: Add {U} to your mana pool.

Accumulated Knowledge

Draw a card, then draw cards equal to the number of cards named Accumulated Knowledge in all graveyards.

Firebolt

Firebolt deals 2 damage to target creature or player. Flashback {4}{R} (You may play this card from your graveyard for its flashback cost. Then remove it from the game.)

Sea Gate Oracle

When Sea Gate Oracle enters the battlefield, look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Flame Slash

Flame Slash deals 4 damage to target creature.

Beetleback Chief

When Beetleback Chief enters the battlefield, put two 1/1 red Goblin creature tokens onto the battlefield.

Mana Leak

Counter target spell unless its caster pays an additional {3}.

Deep Analysis

Target player draws two cards. Flashback - {1}{U}, Pay 3 life. (You may play this card from your graveyard for its flashback cost. Then remove it from the game.)

Counterspell

Counters target spell as it is being cast.

Lightning Bolt

Lightning Bolt does 3 damage to one target.

Dispel

Izzet Guildgate

Mulldrifter

Preordain

Augur of Bolas

When Augur of Bolas enters the battlefield, look at the top three cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Negate

Counter target noncreature spell.

Swiftwater Cliffs

Swiftwater Cliffs enters the battlefield tapped. When Swiftwater Cliffs enters the battlefield, you gain 1 life. {T}: Add {U} or {R}.

Mountain

({T}: Add {R}.)