Search target opponent's library for an artifact card and put that card onto the battlefield under your control. Then that player shuffles.

Creatures you control have flying.

Creatures your opponents control lose flying and can't have or gain flying.

Flying, vigilance, haste

Whenever Aurelia, the Warleader attacks for the first time each turn, untap all creatures you control. After this phase, there is an additional combat phase.

Choose two --

• Destroy all artifacts.

• Destroy all enchantments.

• Destroy all creatures with mana value 3 or less.

• Destroy all creatures with mana value 4 or greater.

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

Flying

Whenever Balefire Dragon deals combat damage to a player, it deals that much damage to each creature that player controls.

Other red creatures you control get +1/+1.

Other white creatures you control get +1/+1.

Whenever you cast a red spell, Balefire Liege deals 3 damage to target player or planeswalker.

Whenever you cast a white spell, you gain 3 life.

Banefire deals X damage to any target.

If X is 5 or more, this spell can't be countered and the damage can't be prevented.

Double target player's life total. Shuffle Beacon of Immortality into its owner's library.

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

Boros Guildgate enters the battlefield tapped.

{T}: Add {R} or {W}.

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

Clifftop Retreat enters the battlefield tapped unless you control a Mountain or a Plains.

{T}: Add {R} or {W}.

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

Dragon creatures you control get +3/+3.

{T}: Add {C}.

{1}, {T}: Put a storage counter on Crucible of the Spirit Dragon.

{T}, Remove X storage counters from Crucible of the Spirit Dragon: Add X mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons.

Return target nonland permanent you don't control to its owner's hand.

Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.)

Indestructible

Equipped creature has indestructible.

Equip {2}

{T}: Add {C}.

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

{5}{R}{R}: Create a 5/5 red Dragon creature token with flying. (It can't be blocked except by creatures with flying or reach.)

Enchant creature

Enchanted creature gets +1/+2 and has vigilance.

When a creature with mana value 6 or greater enters the battlefield, you may return Dragon Scales from your graveyard to the battlefield attached to that creature.

Whenever a creature with flying enters the battlefield under your control, it gains haste until end of turn.

Whenever a Dragon enters the battlefield under your control, it deals X damage to any target, where X is the number of Dragons you control.

{R}: Dragon Whisperer gains flying until end of turn.

{1}{R}: Dragon Whisperer gets +1/+0 until end of turn.

Formidable -- {4}{R}{R}: Create a 4/4 red Dragon creature token with flying. Activate only if creatures you control have total power 8 or greater.

Dragon spells you cast cost {1} less to cast.

At the beginning of your upkeep, if you control six or more lands, create a 5/5 red Dragon creature token with flying.

Dragon spells you cast cost {2} less to cast.

Search your library for a Dragon permanent card, put it onto the battlefield, then shuffle.

Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Enchant creature

Enchanted creature gets +0/+4.

Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

Indestructible

As long as your devotion to white and blue is less than seven, Ephara isn't a creature.

At the beginning of each upkeep, if you had another creature enter the battlefield under your control last turn, draw a card.

Flying

{3}{W}{W}: Return Eternal Dragon from your graveyard to your hand. Activate only during your upkeep.

Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

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

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Flying

Whenever Flameblast Dragon attacks, you may pay {X}{R}. If you do, Flameblast Dragon deals X damage to any target.

Flood Plain enters the battlefield tapped.

{T}, Sacrifice Flood Plain: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

Flying, trample

Whenever Hellkite Tyrant deals combat damage to a player, gain control of all artifacts that player controls.

At the beginning of your upkeep, if you control twenty or more artifacts, you win the game.

Flying

{3}{R}: Destroy target artifact. Hoard-Smelter Dragon gets +X/+0 until end of turn, where X is that artifact's mana value.

Indestructible

As long as your devotion to red and white is less than seven, Iroas isn't a creature.

Creatures you control have menace.

Prevent all damage that would be dealt to attacking creatures you control.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Izzet Boilerworks enters the battlefield tapped.

When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand.

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

Izzet Guildgate enters the battlefield tapped.

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

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

{T}: Add {U}, {R}, or {W}.

{U}{R}{W}, {T}, Sacrifice Jeskai Banner: Draw a card.

Flying

When Keiga, the Tide Star dies, gain control of target creature.

Indestructible

As long as your devotion to blue and red is less than seven, Keranos isn't a creature.

Reveal the first card you draw on each of your turns. Whenever you reveal a land card this way, draw a card. Whenever you reveal a nonland card this way, Keranos deals 3 damage to any target.

Amplify 3 (As this creature enters the battlefield, put three +1/+1 counters on it for each Dragon card you reveal in your hand.)

Flying

{T}: Kilnmouth Dragon deals damage equal to the number of +1/+1 counters on it to any target.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

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

Equip {3}

Flying

Whenever Medomai the Ageless deals combat damage to a player, take an extra turn after this one.

Medomai the Ageless can't attack during extra turns.

Other blue creatures you control get +1/+1.

Other red creatures you control get +1/+1.

{U/R}{U/R}{U/R}{U/R}: You may put a blue or red creature card from your hand onto the battlefield.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

All permanents are artifacts in addition to their other types.

All cards that aren't on the battlefield, spells, and permanents are colorless.

Players may spend mana as though it were mana of any color.

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Mystic Monastery enters the battlefield tapped.

{T}: Add {U}, {R}, or {W}.

Return target instant or sorcery card from your graveyard to your hand.

Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Equipped creature gets +2/+2, has intimidate, and is a black Zombie. (A creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever a nontoken creature is put into your graveyard from the battlefield, you may pay {4}. If you do, return that card to the battlefield and attach Nim Deathmantle to it.

Equip {4}

Flying

Whenever Niv-Mizzet, Dracogenius deals damage to a player, you may draw a card.

{U}{R}: Niv-Mizzet, Dracogenius deals 1 damage to any target.

Flying

Whenever you draw a card, Niv-Mizzet, the Firemind deals 1 damage to any target.

{T}: Draw a card.

Flying

Whenever Numot, the Devastator deals combat damage to a player, you may pay {2}{R}. If you do, destroy up to two target lands.

Flying, vigilance

Whenever a Dragon you control attacks, tap target nonland permanent an opponent controls. That permanent doesn't untap during its controller's next untap step.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

{T}: Add {C}.

{4}{W}{U}, {T}: Prevent all damage a source of your choice would deal this turn.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

{4}, {T}: You may put a creature card from your hand onto the battlefield.

{T}: Add one mana of any type that a land you control could produce.

You have no maximum hand size.

{T}: Add {C}.

Flying

When Ryusei, the Falling Star dies, it deals 5 damage to each creature without flying.

Search your library for a Dragon creature card, reveal it, put it into your hand, then shuffle.

Flying

Whenever Scourge of Valkas or another Dragon enters the battlefield under your control, it deals X damage to any target, where X is the number of Dragons you control.

{R}: Scourge of Valkas gets +1/+0 until end of turn.

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

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

Enchant land

Enchanted land has "{T}: Counter target spell unless its controller pays {1}."

Flying

Whenever an opponent casts a spell, put a +1/+1 counter on Sunscorch Regent and you gain 1 life.

Swiftwater Cliffs enters the battlefield tapped.

When Swiftwater Cliffs enters the battlefield, you gain 1 life.

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

Temple of Enlightenment enters the battlefield tapped.

When Temple of Enlightenment enters the battlefield, scry 1.

{T}: Add {W} or {U}.

Temple of Epiphany enters the battlefield tapped.

When Temple of Epiphany enters the battlefield, scry 1.

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

Temple of Triumph enters the battlefield tapped.

When Temple of Triumph enters the battlefield, scry 1.

{T}: Add {R} or {W}.

{T}: Add {C}{C}. Activate only if you control five or more lands.

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

+1: Untap up to two target artifacts.

-X: Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

-5: Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn.

Thawing Glaciers enters the battlefield tapped.

{1}, {T}: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. Return Thawing Glaciers to its owner's hand at the beginning of the next cleanup step.

Flying

Whenever a Dragon you control becomes the target of a spell or ability an opponent controls, Thunderbreak Regent deals 3 damage to that player.

Flying

Whenever a Dragon you control attacks, create a 6/6 red Dragon creature token with flying.

You have no maximum hand size.

At the beginning of your upkeep, you gain 1 life for each card in your hand.

Flying

As long as Wardscale Dragon is attacking, defending player can't cast spells.

Whenever a creature with power 5 or greater enters the battlefield under your control, you may have Where Ancients Tread deal 5 damage to any target.

Wind-Scarred Crag enters the battlefield tapped.

When Wind-Scarred Crag enters the battlefield, you gain 1 life.

{T}: Add {R} or {W}.