Whenever a commander you control deals combat damage to an opponent, it deals that much damage to each other opponent. Partner (You can have two commanders if both have partner.)

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep. You draw a card at the beginning of the next turn's upkeep.

Choose one — • Counter target spell. • Target player draws two cards. • Gain control of target nonland permanent with mana value 1 or less.

Counter target spell. If that spell targets a commander you control, instead counter that spell, scry 2, then draw a card.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Draw a card.

Counter target spell.

Choose two — • Counter target spell. • Return target permanent to its owner's hand. • Tap all creatures your opponents control. • Draw a card.

Counter target spell. If the spell is countered this way, exile it with three time counters on it instead of putting it into its owner's graveyard. If it doesn't have suspend, it gains suspend. (At the beginning of its owner's upkeep, they remove a time counter. When the last is removed, they may play it without paying its mana cost. If it's a creature, it has haste.)

Target creature you control gets +0/+3 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

You may sacrifice a Mountain rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn, where X is the number of Mountains you control.

Counter target spell that targets a permanent you control. Draw a card.

Counter target noncreature spell.

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

Target creature gets +4/+3 until end of turn.

Target attacking creature gets +X/+0 until end of turn. Draw a card at the beginning of the next turn's upkeep.

Flying Whenever you cast an instant or sorcery spell, creatures you control get +1/+0 and gain trample until end of turn.

You may exile a red card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn.

Choose one — • Target creature gets +1/+1 and gains first strike until end of turn. • Target Pirate gets +1/+1 and gains double strike until end of turn.

Target creature gets +1/+0 until end of turn and can't be blocked this turn. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Target creature gets +X/+0 until end of turn.

Until end of turn, target creature you control gains trample and gets +X/+0, where X is its power. Sacrifice it at the beginning of the next end step.

Whenever you cast a noncreature spell, target creature gets +X/+0 until end of turn, where X is that spell's mana value. Choose a Background (You can have a Background as a second commander.)

Target creature you control gets +X/+0 and gains first strike and trample until end of turn.

Choose two — • Choose target player. They may discard up to X cards. Then they draw a card for each card discarded this way. • This spell deals X damage to target creature. • This spell deals X damage to target planeswalker. • Target creature gets +X/+0 and gains haste until end of turn.

Each time target permanent would deal damage to a permanent or player this turn, it deals double that damage to that permanent or player instead. Splice onto Arcane {2}{R}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Target creature gets +X/+0 until end of turn, where X is its power.

Target creature gets +2/+0 until end of turn and can't be blocked this turn. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

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

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

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

Equipped creature has double strike. (It deals both first-strike and regular combat damage.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

Flash At the beginning of your upkeep, put an oil counter on this artifact. Instant and sorcery spells you cast cost {1} less to cast for each oil counter on this artifact.

Whenever you cast a noncreature spell, put a lore counter on this artifact. {3}, {T}: Target creature you control gets +1/+1 until end of turn for each lore counter on this artifact.

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

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

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

{T}: Add {C}. {1}{U}{R}, {T}: Draw a card, then discard a card.

{T}, Pay 1 life: Add {U} or {R}. {1}, {T}, Sacrifice this land: Draw a card.

({T}: Add {U}.)

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

({T}: Add {R}.)

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

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

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

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

({T}: Add {U} or {R}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

When this creature enters, return target instant or sorcery card from your graveyard to your hand.

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

Instant and sorcery spells you cast cost {1} less to cast. Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.

Sorcerous Inspiration — At the beginning of your upkeep, return an instant or sorcery card at random from your graveyard to your hand. Fire of Tzeentch — Whenever you cast an instant or sorcery spell, this creature deals 1 damage to each opponent.

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

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 Tandem Lookout is paired with another creature, each of those creatures has "Whenever this creature deals damage to an opponent, draw a card."

If it's neither day nor night, it becomes day as Vadrik enters. Instant and sorcery spells you cast cost {X} less to cast, where X is Vadrik's power. Whenever day becomes night or night becomes day, put a +1/+1 counter on Vadrik.

At the beginning of combat on your turn, target creature you control gains double strike until end of turn.

Enchant creature Whenever enchanted creature deals damage to an opponent, you may draw a card.

Enchant creature Enchanted creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, you may draw a card." At the beginning of your end step, if you didn't attack with a creature this turn, sacrifice this Aura.

Flash If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

If a source you control would deal damage to a permanent or player, it deals triple that damage to that permanent or player instead.

Instant and sorcery spells you cast cost {1} less to cast for each time you've cast a commander from the command zone this game.

If a creature you control would deal damage to a permanent or player, it deals double that damage instead.

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

Flash (You may cast this spell any time you could cast an instant.) Enchant creature Whenever enchanted creature deals damage to an opponent, you may draw a card.

Target creature gets +2/+2 and gains trample until end of turn. Madness {R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)