Whenever you cast an instant or sorcery spell, flip a coin. If you lose the flip, return that spell to its owner's hand. If you win the flip, copy that spell, and you may choose new targets for the copy. Partner (You can have two commanders if both have partner.)

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

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

{2}, {T}, Sacrifice Brainstone: Draw three cards, then put two cards from your hand on top of your library in any order.

You may spend mana as though it were mana of any color. {T}: Add {C}{C}{C}{C}{C}. {5}, {T}: Draw a card for each color among permanents you control.

{1}, {T}, Sacrifice Chromatic Sphere: Add one mana of any color. Draw a card.

{1}, {T}, Sacrifice Chromatic Star: Add one mana of any color. When Chromatic Star is put into a graveyard from the battlefield, draw a card.

{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

When Coveted Jewel enters the battlefield, draw three cards. {T}: Add three mana of any one color. Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of Coveted Jewel. Untap it.

When Energy Refractor enters the battlefield, draw a card. {2}: Add one mana of any color.

{1}, {T}: Add {U}{R}.

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

{2}, {T}, Sacrifice Mossfire Egg: Add {R}{G}. Draw a card.

{R}, Sacrifice Pyrite Spellbomb: It deals 2 damage to any target. {1}, Sacrifice Pyrite Spellbomb: Draw a card.

{1}: Look at the top three cards of your library, then put them back in any order. {T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

{1}, {T}: Add {G}{U}.

{T}: Add {C}{C}.

{1}: Untap Staff of Domination. {2}, {T}: You gain 1 life. {3}, {T}: Untap target creature. {4}, {T}: Tap target creature. {5}, {T}: Draw a card.

When The Mightstone and Weakstone enters the battlefield, choose one — • Draw two cards. • Target creature gets -5/-5 until end of turn. {T}: Add {C}{C}. This mana can't be spent to cast nonartifact spells. (Melds with Urza, Lord Protector.)

Equipped creature has "{3}, {Q}: This creature gets +2/+2 until end of turn." ({Q} is the untap symbol.) Equip {0}

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

Flying {T}: Add one mana of any color.

{T}: For each color among permanents you control, add one mana of that color.

Partner with Chakram Slinger (When this creature enters the battlefield, target player may put Chakram Slinger into their hand from their library, then shuffle.) Whenever you cast a spell during your turn, untap target creature.

{T}: Add {G}.

When Imperial Recruiter enters the battlefield, search your library for a creature card with power 2 or less, reveal it, put it into your hand, then shuffle.

When you cast this spell, draw four cards. Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.) When Kozilek, Butcher of Truth is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

When you cast this spell, if you have fewer than seven cards in hand, draw cards equal to the difference. Menace Discard a card with mana value X: Counter target spell with mana value X.

{T}: Add {G}.

{2}: Add one mana of any color.

Devoid (This card has no color.) {3}{C}: Draw a card. ({C} represents colorless mana.)

Stonework Packbeast is also a Cleric, Rogue, Warrior, and Wizard. {2}: Add one mana of any color.

Enchant creature {U}: Tap enchanted creature. {U}: Untap enchanted creature.

Enchant legendary creature Enchanted creature has ward {2} and "{T}: Add five mana in any combination of colors. Spend this mana only to cast spells."

Enchant creature {U}: Untap enchanted creature. {U}: Enchanted creature gains flying until end of turn. {U}: Enchanted creature gains shroud until end of turn. (It can't be the target of spells or abilities.) {1}: Enchanted creature gets +1/-1 or -1/+1 until end of turn.

At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.

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

Target creature becomes blue until end of turn. Untap that creature. Draw a card.

Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.) Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.

Target creature becomes red and gains haste until end of turn. Draw a card.

Target creature gains haste until end of turn. Draw a card.

Draw a card. You may put a land card from your hand onto the battlefield.

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost. Draw two cards.

Scry 1. Draw a card.

Discard all the cards in your hand, then draw that many cards.

Switch target creature's power and toughness until end of turn. Draw a card.

({T}: Add {G} or {U}.) As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Add {C}. {U/R}, {T}: Add {U}{U}, {U}{R}, or {R}{R}.

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

{T}: Add {C}. {R/G}, {T}: Add {R}{R}, {R}{G}, or {G}{G}.

{T}: Add {C}. {G/U}, {T}: Add {G}{G}, {G}{U}, or {U}{U}.

({T}: Add {G}.)

Forgotten Cave enters the battlefield tapped. {T}: Add {R}. Cycling {R} ({R}, Discard this card: Draw a card.)

Hinterland Harbor enters the battlefield tapped unless you control a Forest or an Island. {T}: Add {G} or {U}.

({T}: Add {U}.)

({T}: Add {G}, {U}, or {R}.) Ketria Triome enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

Lonely Sandbar enters the battlefield tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

{T}: Add {U}. {U}, {T}: Untap target legendary permanent.

{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

({T}: Add {R}.)

Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest. {T}: Add {R} or {G}.

{T}, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

({T}: Add {R} or {G}.) Sheltered Thicket enters the battlefield tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {U} or {R}.) As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {R} or {G}.) As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain. {T}: Add {U} or {R}.

Tranquil Thicket enters the battlefield tapped. {T}: Add {G}. Cycling {G} ({G}, Discard this card: Draw a card.)

If you control four or fewer lands, search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Cycling—Sacrifice a land. (Sacrifice a land, Discard this card: Draw a card.)

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Fanning the Flames deals X damage to any target.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Draw X cards. If X is 10 or more, instead shuffle your graveyard into your library, draw X cards, untap up to five lands, and you have no maximum hand size for the rest of the game. Exile Finale of Revelation.

({U/P} can be paid with either {U} or 2 life.) Look at target player's hand. Draw a card.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Jaya's Immolating Inferno deals X damage to each of up to three targets.

The next instant or sorcery spell you cast this turn can't be countered. Draw a card.

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Draw a card. Scry 2.

({U/P} can be paid with either {U} or 2 life.) Draw two cards, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Search your library for a Forest card, put it onto the battlefield, then shuffle.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Draw three cards.

Enchant land When Abundant Growth enters the battlefield, draw a card. Enchanted land has "{T}: Add one mana of any color."

Conflagrate deals X damage divided as you choose among any number of targets. Flashback—{R}{R}, Discard X cards. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Creatures you control gain trample until end of turn. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.) Draw a card.

Equipped creature has "Whenever you draw a card, this creature gets +1/+1 and gains flying until end of turn" and "{4}: Draw a card." Whenever a Wizard creature enters the battlefield, you may attach Diviner's Wand to it. Equip {3}

{G}, {T}, Discard a creature card: Search your library for a creature card, reveal it, put it into your hand, then shuffle.

Target creature gets -1/-0 until end of turn. Draw a card.

Whenever you cast a creature spell this turn, draw a card.

{1}, {T}: Add {R}{G}.

The next creature spell you cast this turn can't be countered. Draw a card.

Whenever you cast a spell, put the cards in your hand on the bottom of your library in any order, then draw that many cards.

Look at target player's hand. Draw a card.

The next sorcery spell you cast this turn can be cast as though it had flash. (It can be cast any time you could cast an instant.) Draw a card.

Whenever a creature enters the battlefield under your control, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) Whenever you cast a spell that targets a creature you control, draw a card.

Target creature gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.) Draw a card.

You may play an additional land on each of your turns. Whenever you cast a spell, draw two cards. At the beginning of your end step, discard your hand.

{G}, Discard a creature card: Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

Search your library for a creature card, reveal it, then shuffle and put that card on top.

Whenever you cast an instant or sorcery spell, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Draw a card if an opponent has cast a blue or black spell this turn. Spells you control can't be countered this turn. You and permanents you control gain hexproof from blue and from black until end of turn. (You and they can't be the targets of blue or black spells or abilities your opponents control.)

Target creature becomes green and gets +1/+0 until end of turn. Draw a card.

Draw a card. If a graveyard has twenty or more cards in it, draw three cards instead.