At the beginning of your upkeep, put a muster counter on Assemble the Legion. Then create a 1/1 red and white Soldier creature token with haste for each muster counter on Assemble the Legion.
{X}{R}{W}
Aurelia's Fury
Instant
Aurelia's Fury deals X damage divided as you choose among any number of targets. Tap each creature dealt damage this way. Players dealt damage this way can't cast noncreature spells this turn.
{2}{R}{R}{W}{W}
Aurelia, the Warleader
Legendary Creature - Angel
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.
3 /
4
{4}{W}{W}
Austere Command
Sorcery
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.
{3}{R}{W}
Basandra, Battle Seraph
Legendary Creature - Angel
Flying
Players can't cast spells during combat.
{R}: Target creature attacks this turn if able.
4 /
4
--
Battlefield Forge
Land
{T}: Add {C}.
{T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.
{1}{W}
Blind Obedience
Enchantment
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
Artifacts and creatures your opponents control enter the battlefield tapped.
{3}
Boros Cluestone
Artifact
{T}: Add {R} or {W}.
{R}{W}, {T}, Sacrifice Boros Cluestone: Draw a card.
--
Boros Garrison
Land
Boros Garrison enters the battlefield tapped.
When Boros Garrison enters the battlefield, return a land you control to its owner's hand.
{T}: Add {R}{W}.
{2}
Boros Signet
Artifact
{1}, {T}: Add {R}{W}.
{2}{R}{R}
Breath of Fury
Enchantment - Aura
Enchant creature you control
When enchanted creature deals combat damage to a player, sacrifice it and attach Breath of Fury to a creature you control. If you do, untap all creatures you control and after this phase, there is an additional combat phase.
{3}
Burnished Hart
Artifact Creature - Elk
{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
2 /
2
--
Clifftop Retreat
Land
Clifftop Retreat enters the battlefield tapped unless you control a Mountain or a Plains.
{T}: Add {R} or {W}.
{3}
Crawlspace
Artifact
No more than two creatures can attack you each combat.
{3}
Crucible of Worlds
Artifact
You may play lands from your graveyard.
{4}{W}{W}
Darien, King of Kjeldor
Legendary Creature - Human Soldier
Whenever you're dealt damage, you may create that many 1/1 white Soldier creature tokens.
3 /
3
{5}{R}{R}
Devastation
Sorcery
Destroy all creatures and lands.
{2}{R}{R}
Disrupt Decorum
Sorcery
Goad all creatures you don't control. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)
--
Drifting Meadow
Land
Drifting Meadow enters the battlefield tapped.
{T}: Add {W}.
Cycling {2} ({2}, Discard this card: Draw a card.)
{W}
Enlightened Tutor
Instant
Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.
--
Forgotten Cave
Land
Forgotten Cave enters the battlefield tapped.
{T}: Add {R}.
Cycling {R} ({R}, Discard this card: Draw a card.)
{2}{W}
Ghostly Prison
Enchantment
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
{5}
Gilded Lotus
Artifact
{T}: Add three mana of any one color.
{4}{R}{W}{W}
Gisela, Blade of Goldnight
Legendary Creature - Angel
Flying, first strike
If a source would deal damage to an opponent or a permanent an opponent controls, that source deals double that damage to that player or permanent instead.
If a source would deal damage to you or a permanent you control, prevent half that damage, rounded up.
5 /
5
{W}{W}
Grand Abolisher
Creature - Human Cleric
During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.
2 /
2
{1}{W}{W}
Grasp of Fate
Enchantment
When Grasp of Fate enters the battlefield, for each opponent, exile up to one target nonland permanent that player controls until Grasp of Fate leaves the battlefield. (Those permanents return under their owners' control.)
--
Hall of the Bandit Lord
Legendary Land
Hall of the Bandit Lord enters the battlefield tapped.
{T}, Pay 3 life: Add {C}. If that mana is spent on a creature spell, it gains haste.
{3}{R}{R}
Heartless Hidetsugu
Legendary Creature - Ogre Shaman
{T}: Heartless Hidetsugu deals damage to each player equal to half that player's life total, rounded down.
4 /
3
{4}
Helm of the Host
Legendary Artifact - Equipment
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}
{2}{W}{W}
Hero of Bladehold
Creature - Human Knight
Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)
Whenever Hero of Bladehold attacks, create two 1/1 white Soldier creature tokens that are tapped and attacking.
3 /
4
{2}{W}
Idyllic Tutor
Sorcery
Search your library for an enchantment card, reveal it, put it into your hand, then shuffle.
{5}{R}{R}{R}
Insurrection
Sorcery
Untap all creatures and gain control of them until end of turn. They gain haste until end of turn.
{1}{W}
Island Sanctuary
Enchantment
If you would draw a card during your draw step, instead you may skip that draw. If you do, until your next turn, you can't be attacked except by creatures with flying and/or islandwalk.
{2}
Isochron Scepter
Artifact
Imprint -- When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand.
{2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.
{W}{W}
Knight of the White Orchid
Creature - Human Knight
First strike
When Knight of the White Orchid enters the battlefield, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.
2 /
2
{W}
Land Tax
Enchantment
At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.
{2}{W}{W}
Lightmine Field
Enchantment
Whenever one or more creatures attack, Lightmine Field deals damage to each of those creatures equal to the number of attacking creatures.
{2}
Lightning Greaves
Artifact - Equipment
Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}
{2}
Mask of Memory
Artifact - Equipment
Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
{2}{R/W}{R/W}
Master Warcraft
Instant
Cast this spell only before attackers are declared.
You choose which creatures attack this turn.
You choose which creatures block this turn and how those creatures block.
{3}{W}
Michiko Konda, Truth Seeker
Legendary Creature - Human Advisor
Whenever a source an opponent controls deals damage to you, that player sacrifices a permanent.
2 /
2
{5}
Mind's Eye
Artifact
Whenever an opponent draws a card, you may pay {1}. If you do, draw a card.
{W}
Mother of Runes
Creature - Human Cleric
{T}: Target creature you control gains protection from the color of your choice until end of turn.
1 /
1
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{1}{W}
Oracle en-Vec
Creature - Human Wizard
{T}: Target opponent chooses any number of creatures they control. During that player's next turn, the chosen creatures attack if able, and other creatures can't attack. At the beginning of that turn's end step, destroy each of the chosen creatures that didn't attack this turn. Activate only during your turn.
1 /
1
{2}
Pearl Medallion
Artifact
White spells you cast cost {1} less to cast.
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Reflecting Pool
Land
{T}: Add one mana of any type that a land you control could produce.
{2}{W}{W}
Return to Dust
Instant
Exile target artifact or enchantment. If you cast this spell during your main phase, you may exile up to one other target artifact or enchantment.
--
Sacred Foundry
Land - Mountain Plains
({T}: Add {R} or {W}.)
As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
--
Secluded Steppe
Land
Secluded Steppe enters the battlefield tapped.
{T}: Add {W}.
Cycling {W} ({W}, Discard this card: Draw a card.)
{1}
Sensei's Divining Top
Artifact
{1}: Look at the top three cards of your library, then put them back in any order.
{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.
--
Smoldering Crater
Land
Smoldering Crater enters the battlefield tapped.
{T}: Add {R}.
Cycling {2} ({2}, Discard this card: Draw a card.)
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{4}
Solemn Simulacrum
Artifact Creature - Golem
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.
2 /
2
{1}{W}
Spirit of the Labyrinth
Enchantment Creature - Spirit
Each player can't draw more than one card each turn.
3 /
1
{1}{W}
Stoneforge Mystic
Creature - Kor Artificer
When Stoneforge Mystic enters the battlefield, you may search your library for an Equipment card, reveal it, put it into your hand, then shuffle.
{1}{W}, {T}: You may put an Equipment card from your hand onto the battlefield.
1 /
2
{3}{R}
Stranglehold
Enchantment
Your opponents can't search libraries.
If an opponent would begin an extra turn, that player skips that turn instead.
{4}{W}{W}
Sun Titan
Creature - Giant
Vigilance
Whenever Sun Titan enters the battlefield or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.
6 /
6
{3}
Sunforger
Artifact - Equipment
Equipped creature gets +4/+0.
{R}{W}, Unattach Sunforger: Search your library for a red or white instant card with mana value 4 or less and cast that card without paying its mana cost. Then shuffle.
Equip {3}
--
Sunhome, Fortress of the Legion
Land
{T}: Add {C}.
{2}{R}{W}, {T}: Target creature gains double strike until end of turn.
{3}
Sword of Feast and Famine
Artifact - Equipment
Equipped creature gets +2/+2 and has protection from black and from green.
Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control.
Equip {2}
{W}
Swords to Plowshares
Instant
Exile target creature. Its controller gains life equal to its power.
{2}{W}
Teferi's Protection
Instant
Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.)
Exile Teferi's Protection.
--
Temple of Triumph
Land
Temple of Triumph enters the battlefield tapped.
When Temple of Triumph enters the battlefield, scry 1.
{T}: Add {R} or {W}.
{2}{W}
Thalia, Heretic Cathar
Legendary Creature - Human Soldier
First strike
Creatures and nonbasic lands your opponents control enter the battlefield tapped.
At the beginning of your draw step, draw an additional card.
Spells you cast cost {1} less to cast.
Creatures you control get +1/+1.
{4}
Thran Dynamo
Artifact
{T}: Add {C}{C}{C}.
{3}{R}
War's Toll
Enchantment
Whenever an opponent taps a land for mana, tap all lands that player controls.
If a creature an opponent controls attacks, all creatures that opponent controls attack if able.
{1}
Wayfarer's Bauble
Artifact
{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
{1}{R}{ // }{W}
Wear // Tear
Instant // Instant
Destroy target artifact.
Fuse (You may cast one or both halves of this card from your hand.)
Destroy target enchantment.
Fuse (You may cast one or both halves of this card from your hand.)
{W}
Weathered Wayfarer
Creature - Human Nomad Cleric
{W}, {T}: Search your library for a land card, reveal it, put it into your hand, then shuffle. Activate only if an opponent controls more lands than you.
1 /
1
{3}{W}
Windborn Muse
Creature - Spirit
Flying
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
2 /
3
{2}
Winter Orb
Artifact
As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.