{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.

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Dragon creature spell. {2}, {T}, Sacrifice this land: Return target Dragon creature card or Ugin planeswalker card from your graveyard to your hand.

{T}: Add {R}. If that mana is spent on a Dragon creature spell, it gains haste until end of turn.

{4}, {T}: Target opponent exiles cards from the top of their library until they exile an instant or sorcery card. You may cast that card without paying its mana cost. Then put the exiled cards that weren't cast this way on the bottom of that library in a random order.

{3}, {T}: Put a +1/+1 counter on target creature.

Equipped creature has defender and "{2}, {T}: Other creatures you control gain trample and get +X/+X until end of turn, where X is this creature's power." Equip {3}

Whenever a player casts a red spell, you may gain 1 life.

Whenever a Dragon you control enters, put a gold counter on this artifact. {T}, Remove a gold counter from this artifact: Draw a card. {T}: Add one mana of any color.

Whenever this artifact or another artifact you control enters, put a charge counter on this artifact. {4}, Sacrifice this artifact: It deals damage equal to the number of charge counters on it to target player and that much damage to up to one target creature.

For Mirrodin! (When this Equipment enters, create a 2/2 red Rebel creature token, then attach this to it.) Equipped creature gets +2/+2 and has flying and haste. Equip {3}{R}{R}

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

When this artifact enters, put a rope counter on target creature you control. At the beginning of each player's upkeep, that player may pay {2}. If they do, they put a rope counter on a creature they control. Otherwise, exile this artifact and each creature without a rope counter on it, then remove all rope counters from all creatures.

Each player other than target player creates a 5/5 red Dragon creature token with flying.

Destroy any number of target creatures. For each creature destroyed this way, its controller creates a 4/4 red Dragon creature token with flying.

Create two 1/1 red Goblin creature tokens.

Flying Landfall — Whenever a land you control enters, this creature deals 1 damage to any target. If that land is a Mountain, this creature deals 2 damage instead.

Flying {R}: This creature deals 1 damage to target creature defending player controls. Activate only if this creature is attacking.

Flying, haste At the beginning of the end step, return this creature to its owner's hand.

Flying {R}: Artifact creatures you control get +1/+0 until end of turn. Unearth {3}{R}{R} ({3}{R}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Flying At the beginning of your draw step, draw an additional card. At the beginning of your end step, discard your hand.

This spell costs {3} less to cast if you have nine or more cards in your graveyard. Flying When this creature enters, exile three cards at random from your graveyard. Choose a noncreature, nonland card from among them and copy it. You may cast the copy without paying its mana cost.

Flying, haste This creature attacks each combat if able. At the beginning of combat on your turn, each player rolls a d20. If one or more opponents had the highest result, this creature can't attack those players or planeswalkers they control this combat.

Flying

Flying This creature enters with six +1/+1 counters on it. Whenever this creature attacks or blocks, remove a +1/+1 counter from it at end of combat. {3}: Put a +1/+1 counter on this creature.

Flying When you control no artifacts, sacrifice this creature.

Flying {X}, {T}: This creature deals X damage to target creature. Spend only red mana on X.

Flying When this creature enters, it deals 5 damage to target opponent unless that player sacrifices a creature of their choice.

Defender When this creature dies, create a 2/2 red Dragon creature token with flying and "{R}: This token gets +1/+0 until end of turn."

{2}: This creature gets +1/+0 until end of turn.

Flying Whenever this creature deals combat damage to a player, each player discards their hand, then draws seven cards.

Flying, trample Double strike (This creature deals both first-strike and regular combat damage.) At the beginning of your upkeep, sacrifice this creature unless you pay {R}{R}{R}{R}. {R}: This creature gets +1/+0 until end of turn.

{R}: This creature gains flying until end of turn. {1}{R}: This creature 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.

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.

First strike Boast abilities you activate cost {1} less to activate for each Dragon you control. Boast — {4}{R}: Create a 5/5 red Dragon creature token with flying. (Activate only if this creature attacked this turn and only once each turn.)

As long as you control a Dragon, this creature gets +1/+1 and has flying and trample.

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.

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

Prototype {2}{R} — 1/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Flying {2}: This creature gets +1/+0 until end of turn.

Flying When this creature enters, it deals damage to target creature equal to the number of Mountains you control.

Flying Whenever this creature attacks, you may pay {X}{R}. If you do, it deals X damage to any target.

Flying Threshold — As long as seven or more cards are in your graveyard, this creature gets +3/+3 and has "{R}: This creature gets +1/+0 until end of turn."

Flying {1}{R}: This creature deals 1 damage to target creature. That creature can't block this combat. Activate only if this creature is attacking.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Flying {1}{R}: This creature gets +2/+0 until end of turn.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying When this creature enters, if you cast it from your hand, exile all artifacts.

Bloodthirst 6 (If an opponent was dealt damage this turn, this creature enters with six +1/+1 counters on it.) Flying

Flying Gadrak can't attack unless you control four or more artifacts. At the beginning of your end step, create a Treasure token for each nontoken creature that died this turn. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

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 You may exert this creature as it attacks. When you do, it deals 4 damage to target non-Dragon creature an opponent controls. (An exerted creature won't untap during your next untap step.)

Flying Landfall — Whenever a land you control enters, create a 0/2 red Dragon Egg creature token with defender and "When this token dies, create a 2/2 red Dragon creature token with flying and '{R}: This token gets +1/+0 until end of turn.'"

Flying When this creature enters, choose target Human or artifact an opponent controls. For as long as this creature remains on the battlefield, gain control of that permanent, it loses all abilities, and it can't attack or block.

Flying Whenever this creature attacks, you may sacrifice another creature. If you do, this creature gains double strike until end of turn.

{R}{R}: This creature gains flying until end of turn. {R}: This creature gets +1/+0 until end of turn. Hellbent — This creature has double strike as long as you have no cards in hand.

Flying When this creature enters, create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Flying (This creature can't be blocked except by creatures with flying or reach.) When this creature enters, sacrifice it unless you sacrifice two Mountains.

Flying Fire Breath — When this creature enters, it deals 4 damage to each opponent.

Flying {2}{S}: Tap target creature and put an ice counter on it. ({S} can be paid with one mana from a snow source.) Creatures with ice counters on them don't untap during their controllers' untap steps.

Enchant creature Enchanted creature has haste. {R}: Enchanted creature gets +1/+0 until end of turn. When a creature with mana value 6 or greater enters, you may return this card from your graveyard to the battlefield attached to that creature.

Commander creatures you own have "At the beginning of your end step, if a source you controlled dealt 5 or more damage this turn, create a 4/4 red Dragon creature token with flying."

{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.)

At the beginning of your upkeep, this enchantment deals 5 damage to any target. At the beginning of each end step, your life total becomes 5. Creatures without flying can't attack you.

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.

As an additional cost to cast this spell, you may reveal a Dragon card from your hand or choose a Dragon you control. Dragon's Fire deals 3 damage to target creature or planeswalker. If you revealed a Dragon card or chose a Dragon as you cast this spell, Dragon's Fire deals damage equal to the power of that card or creature instead.

Add {R} for each attacking creature you control. Until end of turn, attacking creatures you control gain "{R}: This creature gets +1/+0 until end of turn."