Indestructible {T}: Add {C}.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}. {5}, {T}, Sacrifice this land: Create a 3/4 colorless Gargoyle artifact creature token with flying.

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

({T}: Add {U}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{R}.

This land enters tapped. {T}: Add {U} or {R}.

This land enters tapped. When this land enters, target creature gets +1/+1 and gains first strike until end of turn. {T}: Add {R}.

This land enters tapped. {T}: Add {C}. {2}{C}, {T}, Sacrifice this land: Copy target instant or sorcery spell you control. You may choose new targets for the copy. {4}{C}, {T}, Sacrifice this land: Create a token that's a copy of target creature you control.

({T}: Add {R}.)

You have no maximum hand size. {T}: Add {C}.

This land enters tapped with two depletion counters on it. {T}, Remove a depletion counter from this land: Add {R}{R}. If there are no depletion counters on this land, sacrifice it.

This land enters tapped. When this land enters, target creature an opponent controls doesn't untap during its controller's next untap step. {T}: Add {U}.

({T}: Add {R}.)

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {R}.

{U}, Sacrifice this artifact: Return target creature to its owner's hand. {1}, Sacrifice this artifact: Draw a card.

You have no maximum hand size. {T}: Add one mana of any color.

{T}: Add {U} or {R}. {U}{R}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add {R}. When that mana is spent to cast a red instant or sorcery spell, copy that spell and you may choose new targets for the copy.

{T}: Add {C}. {2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

This creature enters with X +1/+1 counters on it, where X is the number of instant and sorcery cards in all graveyards. {2}{U}, Remove a +1/+1 counter from this creature: Draw a card, then discard a card.

{T}: Add one mana of any color.

Magecraft — Whenever you cast or copy an instant or sorcery spell, draw a card.

You may have this creature enter as a copy of any creature card in a graveyard.

Flying Haste (This creature can attack and {T} as soon as it comes under your control.) Whenever an opponent is dealt damage by a red instant or sorcery spell you control or by a red planeswalker you control, return this card from your graveyard to your hand.

At the beginning of your upkeep, return an instant or sorcery card at random from your graveyard to your hand. Whenever you cast an instant or sorcery spell, this creature gets +4/+0 until end of turn.

You may have this creature enter as a copy of any creature on the battlefield.

Flying When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control this creature.

Instant and sorcery spells you cast cost {1} less to cast.

Whenever you cast an instant or sorcery spell, this creature deals 2 damage to each opponent.

Flying When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control this creature. Spells your opponents cast that target this creature cost {2} more to cast.

Whenever you cast your second spell each turn, draw a card.

At the beginning of each player's draw step, that player draws an additional card.

Whenever you cast an instant spell, you may pay {1}. If you do, draw a card.

{2}{U}, {T}: The controller of target instant or sorcery spell copies it. That player may choose new targets for the copy.

{1}{U}{R}: Draw a card, then discard a card. {2}{U}{R}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

Haste Tribute 2 (As this creature enters, an opponent of your choice may put two +1/+1 counters on it.) When this creature enters, if tribute wasn't paid, you may cast an instant or sorcery spell from your hand without paying its mana cost.

Flying, haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Flying {2}, Return two lands you control to their owner's hand: Copy target instant or sorcery spell. You may choose new targets for the copy.

Instant and sorcery spells cost {2} less to cast.

Enchant creature When this Aura enters, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step.

Flash (You may cast this spell any time you could cast an instant.) At the beginning of each player's draw step, that player draws an additional card.

Enchant creature Enchanted creature has "{R}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy."

At the beginning of each player's end step, that player draws a card. If the player is your opponent and has four or more cards in hand, this enchantment deals 2 damage to that player.

Play with the top card of your library revealed. You may play lands and cast spells from the top of your library.

Instant and sorcery spells you cast cost {1} less to cast. Whenever you cast an instant or sorcery spell, scry 1.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)

Draw three cards, then put two cards from your hand on top of your library in any order.

Counter target spell.

Counter target spell unless its controller pays {X}.

Counter target spell.

Until end of turn, target creature you control becomes a blue and red Dragon with base power and toughness 4/4, loses all abilities, and gains flying. Overload {3}{U}{U}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Electrolyze deals 2 damage divided as you choose among one or two targets. Draw a card.

Reveal the top X plus one cards of your library and separate them into two piles. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard.

Fated Conflagration deals 5 damage to target creature or planeswalker. If it's your turn, scry 2.

Create a token that's a copy of target creature you control. If it's your turn, scry 2.

Lava Axe deals 5 damage to target player or planeswalker.

Lightning Bolt deals 3 damage to any target.

Lightning Strike deals 3 damage to any target.

Exile target instant or sorcery card from a graveyard. Copy that card three times. You may cast the copies without paying their mana costs. Exile Mnemonic Deluge.

Create two 1/1 red Elemental creature tokens, then flip a coin. If you win the flip, return Molten Birth to its owner's hand.

Will of the council — Starting with you, each player votes for time or knowledge. If time gets more votes, take an extra turn after this one. If knowledge gets more votes or the vote is tied, draw three cards.

Untap target creature an opponent controls and gain control of it until end of turn. That creature gains haste until end of turn. When you lose control of the creature, tap it.

Counter target spell. If that spell is countered this way, put it into its owner's hand instead of into that player's graveyard. Draw a card.

Counter target spell. Untap up to four lands.

Searing Spear deals 3 damage to any target.

Devoid (This card has no color.) Counter target spell unless its controller pays {4}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Exile target instant or sorcery card from your graveyard and target instant or sorcery card from an opponent's graveyard. Copy those cards. Cast the copies if able without paying their mana costs. Exile Spelltwine.

Reveal the top five cards of your library and separate them into two piles. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard.

Metalcraft — This spell costs {1} less to cast if you control three or more artifacts. Counter target spell.

Return target creature to its owner's hand. If that creature is attacking, you may put it on top of its owner's library instead.

Target creature you control gets +1/+0 until end of turn and can't be blocked this turn. Overload {3}{U}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Look at the top three cards of your library. Put one of those cards into your hand, one on top of your library, and one on the bottom of your library.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Take an extra turn after this one. Exile Temporal Trespass.