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

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

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}: Add one mana of any color. Whenever you tap this land for mana, target opponent creates a 1/1 colorless Spirit creature token.

({T}: Add {G}.)

This land enters tapped. {T}: Add {C}. {T}: Add one mana of any color. This land deals 1 damage to you.

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

({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 {R}, {G}, or {W}.

({T}: Add {R}.)

({T}: Add {W}.)

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

This land enters tapped. {T}: Add {G}, {W}, or {U}.

This land enters tapped with two charge counters on it. {T}: Add {R}. {T}, Remove a charge counter from this land: Add one mana of any color.

This land enters tapped with two charge counters on it. {T}: Add {U}. {T}, Remove a charge counter from this land: Add one mana of any color.

This land enters tapped with two charge counters on it. {T}: Add {G}. {T}, Remove a charge counter from this land: Add one mana of any color.

This land enters tapped with two charge counters on it. {T}: Add {W}. {T}, Remove a charge counter from this land: Add one mana of any color.

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

Equipped creature gets +2/+2. As long as equipped creature is legendary, it has hexproof. (It can't be the target of spells or abilities your opponents control.) Equip {1}

Indestructible Equipped creature has indestructible. Equip {2}

{2}: Put a charge counter on this artifact. Remove a charge counter from this artifact: Add one mana of any color.

{T}: Put a charge counter on this artifact. {T}, Remove three charge counters from this artifact: Destroy target permanent.

Equipped creature gets +1/+2 and has hexproof. (It can't be the target of spells or abilities your opponents control.) Equip {3}

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield. {3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

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

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

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.)

Return target creature to its owner's hand. Create X 1/1 green Saproling creature tokens, where X is that creature's mana value.

Radiance — Brightflame deals X damage to target creature and each other creature that shares a color with it. You gain life equal to the damage dealt this way.

Tap target untapped creature you control. If you do, add an amount of {C} equal to that creature's mana value.

Flip a coin until you lose a flip or choose to stop flipping. If you lose a flip, Fiery Gambit has no effect. If you win one or more flips, Fiery Gambit deals 3 damage to target creature. If you win two or more flips, Fiery Gambit deals 6 damage to each opponent. If you win three or more flips, draw nine cards and untap all lands you control.

Each player may bid life for control of target creature. You start the bidding with a bid of 0. In turn order, each player may top the high bid. The bidding ends if the high bid stands. The high bidder loses life equal to the high bid and gains control of the creature. (This effect lasts indefinitely.)

Gain control of target creature until end of turn. Put a +1/+1 counter on it and untap it. That creature gains haste until end of turn. (It can attack and {T} this turn.)

Kicker {5} (You may pay an additional {5} as you cast this spell.) Create a token that's a copy of target creature. If this spell was kicked, create five of those tokens instead.

Tap target creature. It doesn't untap during its controller's next untap step. Awaken 3—{4}{U} (If you cast this spell for {4}{U}, also put three +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Gain control of target creature until end of turn. Untap that creature. Until end of turn, it gets +2/+0 and gains haste.

{T}: Add one mana of any color.

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

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

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.

Sacrifice this creature: Creatures you control gain indestructible until end of turn.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as this creature is paired with another creature, both creatures have hexproof. (They can't be the targets of spells or abilities your opponents control.)

When this creature enters, you may return target card from your graveyard to your hand.

All Slivers have "{T}: Add one mana of any color."

{T}: Add X mana of any one color, where X is the number of Allies you control.

Sliver creatures you control have "{T}: Add one mana of any color."

Whenever a creature you control enters, you may destroy target artifact or enchantment.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Whenever a creature dies, you may have this enchantment deal damage to target player equal to the number of cards in that player's hand.

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

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

Prevent the next 1 damage that would be dealt to any target this turn. Draw a card.

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

Exile target creature you control, then return that card to the battlefield under your control.

Target creature becomes red and gains haste until end of turn. (It can attack and {T} this turn.) Draw a card.

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

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

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

Lightning Helix deals 3 damage to any target and you gain 3 life.

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

All lands become 2/2 creatures until end of turn. They're still lands.

Target creature becomes white until end of turn. Tap that creature. Draw a card.

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

Target creature becomes the color or colors of your choice until end of turn. Draw a card.

Regenerate target creature. Draw a card.

Populate. Creatures you control gain indestructible until end of turn. (To populate, create a token that's a copy of a creature token you control.)

Target creature you control gains protection from the color of your choice until end of turn. Draw a card.

Until end of turn, target creature you control gets +3/+3 and other creatures you control get +1/+1.

Until end of turn, target creature loses all abilities and becomes a green Snake with base power and toughness 1/1. Draw a card.

Spawning Breath deals 1 damage to any target. Create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this token: Add {C}."

Until end of turn, whenever target creature deals damage, you gain that much life. Draw a card.

Target creature can't block this turn. Draw a card.

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