Whenever a Samurai or Warrior you control attacks alone, you may discard a card. If you do, draw a card.

{T}: Add one mana of any color.

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

{T}: Add {C}.

{2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

Whenever a player taps a nonbasic land for mana, Burning Earth deals 1 damage to that player.

{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Counter target instant spell if it's blue.

Draw a card at the beginning of the next turn's upkeep.

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.

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

Sacrifice Commander's Sphere: Draw a card.

{T}: Add {C}.

{T}, Sacrifice Crystal Vein: Add {C}{C}.

{T}: Add one mana of any color.

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

+2: Discard up to two cards, then draw that many cards.

-2: Sacrifice an artifact. If you do, return target artifact card from your graveyard to the battlefield.

-10: You get an emblem with "Whenever an artifact is put into your graveyard from the battlefield, return that card to the battlefield at the beginning of the next end step."

Daretti, Scrap Savant can be your commander.

Indestructible

{T}: Add {C}.

Indestructible

{T}: Add one mana of any color.

Add {R}{R}{R}.

Splice onto Arcane {1}{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.)

{T}, Discard your hand, Sacrifice Diamond Lion: Add three mana of any one color. Activate only as an instant.

Flying

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

({T}: Add {R}.)

Dwarven Mine enters the battlefield tapped unless you control three or more other Mountains.

When Dwarven Mine enters the battlefield untapped, create a 1/1 red Dwarf creature token.

Dwarven Ruins enters the battlefield tapped.

{T}: Add {R}.

{T}, Sacrifice Dwarven Ruins: Add {R}{R}.

Electrodominance deals X damage to any target. You may cast a spell with mana value X or less from your hand without paying its mana cost.

Fumiko the Lowblood has bushido X, where X is the number of attacking creatures. (Whenever this creature blocks or becomes blocked, it gets +X/+X until end of turn.)

Creatures your opponents control attack each combat if able.

{T}, Sacrifice Generator Servant: Add {C}{C}. If that mana is spent on a creature spell, it gains haste until end of turn. (That creature can attack and {T} as soon as it comes under your control.)

Add {R}{R}{R}{R}{R}{R}{R}. Spend this mana only to cast artifact or creature spells.

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

When Godo, Bandit Warlord enters the battlefield, you may search your library for an Equipment card, put it onto the battlefield, then shuffle.

Whenever Godo attacks for the first time each turn, untap it and all Samurai you control. After this phase, there is an additional combat phase.

{R}: Creatures you control gain haste until end of turn.

{3}{R}{R}: Create a 5/5 red Dragon Spirit creature token with flying. Activate only if you control an attacking modified creature. (Equipment, Auras you control, and counters are modifications.)

{T}: Add {R}.

{T}: Add {C}. ({C} represents colorless mana.)

Trample

Whenever a Samurai or Warrior you control attacks alone, you may cast target artifact card from your graveyard this turn.

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste.

Equip {5}

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)

{2}{R}, Sacrifice a Samurai: Samurai creatures you control gain double strike until end of turn.

As an additional cost to cast this spell, sacrifice a creature.

Add {R}{R}{R}.

Add seven {R}. You can cast only one more spell this turn.

{T}: Add {R}.

Whenever Krenko, Tin Street Kingpin attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko's power.

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

Equip {0}

When Mana Geode enters the battlefield, scry 1.

{T}: Add one mana of any color.

Add {R} for each tapped land your opponents control.

{T}: Add {C}.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Artifact creature spells you cast have affinity for artifacts. (They cost {1} less to cast for each artifact you control.)

When Myr Battlesphere enters the battlefield, create four 1/1 colorless Myr artifact creature tokens.

Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.

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.

{T}: Add one mana of any color.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

{T}: Add {C}.

{T}, Sacrifice Orazca Relic: You gain 3 life and draw a card. Activate only if you have the city's blessing.

Flying

{T}: Add one mana of any color.

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

Menace (This creature can't be blocked except by two or more creatures.)

Whenever a Samurai or Warrior you control attacks alone, the next spell you cast this turn costs {1} less to cast.

Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.

{T}: Add {C}. You gain 1 life.

Add {R}{R}{R}.

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.

Add {R}{R}, then add {R} for each card named Rite of Flame in each graveyard.

{T}, Discard a card: Draw a card.

Whenever you cast a red spell, if Runaway Steam-Kin has fewer than three +1/+1 counters on it, put a +1/+1 counter on Runaway Steam-Kin.

Remove three +1/+1 counters from Runaway Steam-Kin: Add {R}{R}{R}.

Sandstone Needle enters the battlefield tapped with two depletion counters on it.

{T}, Remove a depletion counter from Sandstone Needle: Add {R}{R}. If there are no depletion counters on Sandstone Needle, sacrifice it.

{T}: Add {C}.

{2}, {T}, Sacrifice a Desert: Exile all graveyards.

{T}: Add one mana of any color.

{T}: Target creature becomes the color or colors of your choice until end of turn.

Add {R}{R}{R}{R}{R}.

Seismic Strike deals damage to target creature equal to the number of Mountains you control.

{T}: Add {C}.

{4}, {T}, Sacrifice Sequestered Stash: Mill five cards. Then you may put an artifact card from your graveyard on top of your library.

Enrage -- Whenever Silverclad Ferocidons is dealt damage, each opponent sacrifices a permanent.

Sacrifice a Goblin: Add {R}.

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

As Sorcerous Spyglass enters the battlefield, look at an opponent's hand, then choose any card name.

Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

{2}: Target creature gains trample until end of turn. If this is the third time this ability has resolved this turn, you may add {R}{R}{R}{R}{R}{R}{R}{R}.

{T}: Add one mana of any color.

{5}, {T}: Tap target creature.

Star Compass enters the battlefield tapped.

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

Flying

{2}: Steel Hellkite gets +1/+0 until end of turn.

{X}: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by Steel Hellkite this turn. Activate only once each turn.

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

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Pay 3 life: Add {R}.

Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.)

At the beginning of the end step, sacrifice Underworld Breach.

Flying

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

Destroy target artifact you don't control.

Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

When Vessel of Endless Rest enters the battlefield, put target card from a graveyard on the bottom of its owner's library.

{T}: Add one mana of any color.

Destroy target land.

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.