{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

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

{T}: Add {C}. {1}, {T}: Put a storage counter on this land. {T}, Remove X storage counters from this land: Add X mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons.

This land enters tapped. {T}: Add {R}. Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.)

This land enters tapped. {T}: Add {U}. Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)

This land enters tapped. When this land enters, it deals 1 damage to target opponent. {T}: Add {U} or {R}.

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

({T}: Add {U}.)

({T}: Add {R}.)

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

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {R}.

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

This land enters tapped. As it enters, choose a color other than red. {T}: Add {R} or one mana of the chosen color.

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

{3}, {T} or {U}, {T}: Return target creature to its owner's hand unless its controller pays {1}.

{T}: Add {R}. As this artifact enters, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.

This artifact enters tapped. {T}: Add {R}.

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

{T}: Add {C}{C}. {2}, {T}, Sacrifice this artifact: Draw two cards.

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

{1}, {T}: Return target creature you control and each Aura attached to it to their owners' hands. Activate only during your turn.

{T}: Target player exiles a card from their graveyard. {1}, Exile this artifact: Exile all graveyards. Draw a card.

This artifact enters tapped. {T}: Add {U}.

{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.)

Destroy all artifacts you don't control, then exile the top X cards of your library, where X is the number of artifacts that were put into graveyards from the battlefield this turn. You may put a creature card exiled this way onto the battlefield. It gains haste. Return it to your hand at the beginning of the next end step.

As an additional cost to cast this spell, exile an instant or sorcery card from your graveyard. Draconic Intervention deals X damage to each non-Dragon creature, where X is the exiled card's mana value. If a creature dealt damage this way would die this turn, exile it instead. Exile Draconic Intervention.

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.

Choose one — • Into the Fire deals 2 damage to each creature, planeswalker, and battle. • Put any number of cards from your hand on the bottom of your library, then draw that many cards plus one.

Create a token that's a copy of target creature you control, except it isn't legendary. 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.)

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.

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

Exile target creature you control, then return it to the battlefield under its owner's control. If that creature is a Bird, Frog, Otter, or Rat, draw a card.

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

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

Flying Whenever this creature attacks, each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.

Flying Whenever this creature deals combat damage to a player, it deals that much damage to each creature that player controls.

Flying Whenever Dragonhawk enters or attacks, exile the top X cards of your library, where X is the number of creatures you control with power 4 or greater. You may play those cards until your next end step. At the beginning of your next end step, Dragonhawk deals 2 damage to each opponent for each of those cards that are still exiled.

Flying Whenever Drakuseth attacks, it deals 4 damage to any target and 3 damage to each of up to two other targets.

Flying Whenever Ganax or another Dragon you control enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Choose a Background (You can have a Background as a second commander.)

Flying, haste Whenever this creature attacks or becomes the target of a spell, create a Treasure token. Treasures you control have "{T}, Sacrifice this artifact: Add two mana of any one color."

Flying When Keiga dies, gain control of target creature.

Haste Whenever this creature attacks, look at the top six cards of your library. You may reveal a Dragon card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Flying Whenever this creature enters or attacks, you may discard a card. If you do, draw a card.

Flying Whenever you cast an Adventure or Dragon spell, Lozhan deals damage equal to that spell's mana value to any target that isn't a commander.

When this creature enters, you may search your library for an instant or sorcery card with mana value 1, reveal it, put it into your hand, then shuffle.

Menace Pack tactics — Whenever this creature attacks, if you attacked with creatures with total power 6 or greater this combat, you may put a Dragon creature card from your hand onto the battlefield tapped and attacking.

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.

Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. {T}: Draw a card.

You may cast Dragon spells and artifact spells as though they had flash. Choose a Background (You can have a Background as a second commander.)

Flying Whenever this creature or another Dragon you control enters, it deals X damage to any target, where X is the number of Dragons you control. {R}: This creature gets +1/+0 until end of turn.

Flying {2}: This creature gets +1/+0 until end of turn. {X}: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by this creature this turn. Activate only once each turn.

Flying Double strike (This creature deals both first-strike and regular combat damage.) When this creature enters, creatures you control gain double strike until end of turn.

Flying Spells your opponents cast that target this creature cost an additional 3 life to cast. Whenever another creature you control enters, this creature deals damage equal to that creature's power to any target.

Indestructible As long as your devotion to blue is less than five, Thassa isn't a creature. At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control. {3}{U}: Tap another target creature.

(Gain the next level as a sorcery to add its ability.) Whenever a creature you control enters, surveil 1. {1}{U}: Level 2 Whenever you attack, target attacking creature with power 3 or less can't be blocked this turn. {3}{U}: Level 3 Whenever a creature you control deals combat damage to a player, you may exile it, then return it to the battlefield under its owner's control.

{R}: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

Exile target creature you control, then return that card to the battlefield under its owner's control. Draw a card.

This spell costs {3} less to cast if you control a creature with power 4 or greater. Change the target of target spell or ability with a single target.

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

Counter target spell.

Counter target instant spell.

Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control.

Exile target creature you control, then return that card to the battlefield under its owner's control. If it's a Spirit, put a +1/+1 counter on it.

Return all creatures to their owners' hands.

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Search your library for a card, then shuffle and put that card third from the top.

Magmaquake deals X damage to each creature without flying and each planeswalker.

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 noncreature spell.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.) Draw a card.

Exile target artifact or creature, then return it to the battlefield under its owner's control with a +1/+1 counter on it.

Exile target creature you control, then return that card to the battlefield under its owner's control. If a Pirate was exiled this way, draw a card.

Put a +1/+1 counter on target creature. It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)