When Breya, Etherium Shaper enters the battlefield, create two 1/1 blue Thopter artifact creature tokens with flying. {2}, Sacrifice two artifacts: Choose one — • Breya deals 3 damage to target player or planeswalker. • Target creature gets -4/-4 until end of turn. • You gain 5 life.

Vigilance Unquestionable Wisdom — Other creatures you control get +1/+0 and have vigilance. Hunt for Heresy — {1}, {T}: Tap target creature an opponent controls. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Double strike Master Tactician — Whenever one or more tokens enter the battlefield under your control, draw a card. Chapter Master — {6}: Create two 2/2 white Astartes Warrior creature tokens with vigilance.

At the beginning of your upkeep, you gain 2 life. Whenever you gain life, you may pay {1}. If you do, draw a card and each opponent loses 1 life. At the beginning of your upkeep, if Oloro, Ageless Ascetic is in the command zone, you gain 2 life.

{2}, {T}: Create a token that's a copy of up to one target artifact token you control. Mill two cards. {1}{W}{U}{B}, {T}, Sacrifice two artifact tokens, Exile an artifact or creature card from your graveyard: Create a token that's a copy of the exiled card, except it's an artifact in addition to its other types. Activate only as a sorcery.

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

You have no maximum hand size. {T}: Add one mana of any color.

Inquisition Agents — Whenever equipped creature attacks, create a 2/2 white Astartes Warrior creature token with vigilance that's attacking. Then attacking creatures gain menace until end of turn. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Whenever one or more artifact creatures you control die, draw a card. This ability triggers only once each turn. {2}{W}, {T}: Create a 1/1 colorless Thopter artifact creature token with flying.

You have no maximum hand size. {T}: Add {C}.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Create a 2/2 white Astartes Warrior creature token with vigilance for each opponent you have. II — Each opponent sacrifices a creature. III — Draw two cards for each opponent who controls fewer creatures than you.

When Defenders of Humanity enters the battlefield, create X 2/2 white Astartes Warrior creature tokens with vigilance. {X}{2}{W}, Exile Defenders of Humanity: Create X 2/2 white Astartes Warrior creature tokens with vigilance. Activate only if you control no creatures and only during your turn.

Commander creatures you own have "Creature tokens you control get +2/+2."

When The Flesh Is Weak enters the battlefield, put a +1/+1 counter on each creature you control. Creatures you control with +1/+1 counters on them are artifacts in addition to their other types. Nonartifact creatures get -1/-1.

Exile target nonland permanent. You lose 3 life.

Choose one — • Creatures you control gain lifelink until end of turn. • Draw a card. • Put target attacking or blocking creature on top of its owner's library.

Counter target spell, activated ability, or triggered ability. Its controller loses life equal to the number of creatures you control.

Arcane Sanctum enters the battlefield tapped. {T}: Add {W}, {U}, or {B}.

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

({T}: Add {U}.)

{T}: Add {C}. {2}, {T}: Each player draws a card.

{T}: Add one mana of any color. Spend this mana only to cast a multicolored spell.

({T}: Add {W}.)

{T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

({T}: Add {B}.)

{T}: Add {C}. {7}, {T}: Create a 2/2 colorless Assembly-Worker artifact creature token.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

Return target artifact or non-Aura enchantment card from your graveyard to the battlefield with X additional +1/+1 counters on it. It's a 1/1 Spirit creature with flying in addition to its other types.

Return up to X target artifact and/or non-Aura enchantment cards each with mana value X or less from your graveyard to the battlefield. If X is 6 or more, those permanents are 4/4 creatures in addition to their other types.