({T}: Add {R} or {G}.) This land enters tapped unless you control two or more basic lands.

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

This land enters tapped unless you control two or more other lands. {T}: Add {G} or {U}.

({T}: Add {G}.)

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

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

This land enters tapped unless you control a Forest or an Island. {T}: Add {G} or {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}.

{T}: Add {C}. {T}: Add {R} or {G}. This land deals 1 damage to you.

{T}: Add {C}. {X}{R}{G}, {T}: Target creature gets +X/+0 and gains trample until end of turn.

({T}: Add {G}, {U}, or {R}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

Hexproof This land enters tapped. When this land enters, sacrifice two lands. {T}: Add three mana of any one color.

({T}: Add {R}.)

This land enters tapped unless you have two or more opponents. {T}: Add {G} or {U}.

This land enters tapped unless you control two or more other lands. {T}: Add {R} or {G}.

This land enters tapped unless you control a Mountain or a Forest. {T}: Add {R} or {G}.

({T}: Add {R} or {G}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add {C}. {T}: Add {U} or {R}. 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 {G}{U}.

This land enters tapped unless you control two or more other lands. {T}: Add {U} or {R}.

This land enters tapped unless you control an Island or a Mountain. {T}: Add {U} or {R}.

({T}: Add {G} or {U}.) This land enters tapped.

This artifact enters with X charge counters on it. {T}: Choose a color. Add one mana of that color for each charge counter on this artifact.

Whenever you cast a spell with {X} in its mana cost, put two charge counters on this artifact. {T}: Add one mana of any color. {T}: Add {C} for each charge counter on this artifact. Spend this mana only on costs that contain {X}.

{1}, {T}: Untap target creature that has an activated ability with {T} in its cost.

{1}, {T}: Untap another target artifact. {3}, {T}: Target creature can't be blocked this turn.

{T}: Add one mana of any color. {1}, {T}: Untap target legendary creature you control.

{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.)

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

If you would copy a spell one or more times, instead copy it that many times plus an additional time. You may choose new targets for the additional copy. {7}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Trample Heavy Power Hammer — Whenever this creature deals combat damage to a player, destroy target artifact or enchantment that player controls.

This spell can't be countered. You may have this creature enter as a copy of any creature on the battlefield, except it enters with X additional +1/+1 counters on it.

This creature enters with X +1/+1 counters on it. If X is 5 or more, it enters with an additional X +1/+1 counters on it. {1}{R}, Remove a +1/+1 counter from this creature: It deals 1 damage to any target.

When you cast this spell, you gain half X life and draw half X cards. Round down each time. Flying, trample This creature enters with X +1/+1 counters on it.

{T}: Add one mana of any type that a land you control could produce. If this creature has a +1/+1 counter on it, add three mana of that type instead. {3}{G}{G}: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

{T}: Untap another target permanent. {T}: Untap two other target legendary creatures.

{T}: Untap another target permanent.

Trample This creature enters with X +1/+1 counters on it. When this creature dies, you gain life and draw cards equal to its power.

{X}, {T}: Untap X target lands.

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Terror from the Deep — When this creature enters, it fights up to one target creature an opponent controls. If that creature would die this turn, exile it instead.

Strategic Coordinator — Basic lands you control have "{T}: Add {C}{C}. Spend this mana only on costs that contain {X}."

{T}: Add {C}{C}{C}{C}. Spend this mana only on costs that contain {X}.

Whenever another creature enters, its controller may draw a card if its power is greater than each other creature's power. {G}, {T}: Add X mana in any combination of colors, where X is the greatest power among creatures you control.

Flying, haste This creature enters with X +1/+1 counters on it.

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Trample Spawn Termagants — Whenever this creature deals combat damage to a player, create that many 1/1 green Tyranid creature tokens.

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Shieldwall — Sacrifice this creature: Creatures you control with counters on them gain hexproof and indestructible until end of turn.

Trample This creature enters with X +1/+1 counters on it. When this creature enters, choose one — • Double the number of +1/+1 counters on this creature. • This creature fights target creature you don't control.

Reveal the top X cards of your library. Put all land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, untap those lands.

Gain control of target creature with mana value X or less. If X is 5 or more, create a token that's a copy of that creature.

Choose one or more — • Clan Defiance deals X damage to target creature with flying. • Clan Defiance deals X damage to target creature without flying. • Clan Defiance deals X damage to target player or planeswalker.

Crackle with Power deals five times X damage to each of up to X targets.

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

Add {R} for each tapped land your opponents control.

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

X can't be greater than the number of players in the game. Reveal cards from the top of your library until you reveal X land cards. Put those land cards onto the battlefield tapped and the rest on the bottom of your library in a random order.

Destroy up to X target artifacts and/or enchantments. Create twice X 1/1 black and green Pest creature tokens with "When this token dies, you gain 1 life."

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

You may cast this spell as though it had flash if X is 3 or less. Draw X cards.

Search your library for an instant or sorcery card, reveal it, put it into your hand, then shuffle.

Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

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

Enchant creature Enchanted creature can attack as though it had haste. {0}: Untap enchanted creature. Activate only during your turn and only once each turn.

Whenever you cast a permanent spell with a mana cost that contains {X}, double the value of X. Whenever you cast an instant or sorcery spell or activate an ability, if that spell's mana cost or that ability's activation cost contains {X}, copy that spell or ability. You may choose new targets for the copy.

When this enchantment enters and whenever you cast a spell with mana value 5 or greater, draw a card.

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

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.

Counter target spell.

Roll a d20 and add the number of cards in your hand. 1—14 | Draw X cards. 15+ | Scry X, then draw X cards.

Search your library for an instant card with mana value 3, reveal it, and put it into your hand. Then repeat this process for instant cards with mana values 2 and 1. Then shuffle.

As an additional cost to cast this spell, you may exile any number of blue cards from your hand. This spell costs {2} less to cast for each card exiled this way. Up to X target creatures phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.)

Counter target spell. At the beginning of your next first main phase, add X mana in any combination of colors, where X is that spell's mana value.

Draw X cards, then discard a card.

Choose one — • Draw cards equal to the greatest power among non-Human creatures you control. • Non-Human creatures you control get +3/+3 until end of turn.

When you next cast an instant or sorcery spell this turn, copy that spell X times. You may choose new targets for the copies.

Target player draws X cards.

Choose one — • Look at the top X cards of your library. Put up to two of them into your hand and the rest on the bottom of your library in a random order. • Counter target spell unless its controller pays twice {X}.

Target creature you control gets +X/+X and gains hexproof and indestructible until end of turn. (A creature with hexproof and indestructible can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)