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.)

Haste Whenever you discard a card, this creature deals 1 damage to each opponent. {1}{R}, Discard a card: Draw a card. Activate only if this creature is attacking.

Whenever one or more artifacts you control enter, this creature deals that much damage to each opponent.

Whenever an artifact you control enters, this creature deals 1 damage to each opponent.

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

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

Menace Whenever one or more Pirates you control deal damage to your opponents, exile the top card of each of those opponents' libraries. You may play those cards this turn, and you may spend mana as though it were mana of any color to cast those spells. Partner (You can have two commanders if both have partner.)

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

As an additional cost to cast this spell, sacrifice an artifact or discard a card. Draw two cards.

Whenever you cast a noncreature spell, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) Delirium — As long as there are four or more card types among cards in your graveyard, this creature gets +2/+2, has flying, and attacks each combat if able.

Flash Flying Whenever an opponent draws their second card each turn, you draw a card. {3}{U}: Each player draws 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.)

Draw two cards, then discard two cards. Untap up to three lands.

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

You may discard a card or sacrifice a land. If you do, draw two cards. Plot {1}{R} (You may pay {1}{R} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Spectacle {R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

This spell can't be countered. Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. Whenever a player casts an instant or sorcery spell, you draw a card.

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.

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.)

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

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

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."

Indestructible When The One Ring enters, if you cast it, you gain protection from everything until your next turn. At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring. {T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

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

This land enters tapped unless you control an Island. {T}: Add {U}. {2}{U}{U}, {T}: Scry 2.

Whenever this land becomes tapped, it deals 1 damage to you. {T}: Add one mana of any color.

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

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

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

As this land enters, you may reveal an Island or Mountain card from your hand. If you don't, this land enters tapped. {T}: Add {U} or {R}.

({T}: Add {U}.)

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

({T}: Add {R}.)

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

{T}: Add {R}. Channel — {3}{R}, Discard this card: Create two 1/1 colorless Spirit creature tokens. They gain haste until end of turn. This ability costs {1} less to activate for each legendary creature you control.

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

Whenever you sacrifice an artifact, put a +1/+1 counter on this creature and add {R}.

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Add {R} for each card in target opponent's hand. • Exile the top three cards of your library. You may play them this turn.

{T}, Sacrifice this artifact: Add one mana of any color.

Other Dwarves you control get +1/+0. Whenever a Dwarf you control becomes tapped, create a Treasure token. Sacrifice five Treasures: Search your library for an artifact or Dragon card, put that card onto the battlefield, then shuffle.

Menace Whenever one or more creatures you control deal combat damage to a player, create a Treasure token. Sacrifice a Treasure: Exile the top card of your library. You may play that card this turn.

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

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

Choose one — • Abrade deals 3 damage to target creature. • Destroy target artifact.

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

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.

Counter target spell.

Counter target noncreature spell.

Choose one — • Counter target spell if it's blue. • Destroy target permanent if it's blue.

Choose one — • Counter target blue spell. • Destroy target blue permanent.

Counter target artifact, creature, or planeswalker spell. Its controller creates a 2/2 blue Bird creature token with flying.

Counter target instant or sorcery spell. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)