msem-instigator

As an additional cost to cast this spell, you may sacrifice three artifacts.
Search your library for an artifact card, reveal it, put it into your hand, then shuffle. If you sacrificed three artifacts as you cast this spell, you may put a noncreature artifact card from your hand onto the battlefield.

Counter target spell unless its controller pays {1}. If you control an artifact, instead counter that spell unless its controller pays {4}.

Create a 1/1 colorless Construct artifact creature token. If you control six or more artifacts, create a 6/6 colorless Golem artifact creature token instead.
Draw a card.

At the beginning of each upkeep, if an opponent controls more creatures than you, create a 1/1 colorless Thopter artifact creature token with flying.

Destroy target artifact or enchantment.
Lifecycle {3} ({3}, Discard this card: Create two tapped 1/1 colorless Elemental creature tokens.)

Creatures you control get +2/+2.
Lifecycle {3} ({3}, Discard this card: Create two tapped 1/1 colorless Elemental creature tokens.)

When Artificial Wayfinder enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

When Artillery Mage enters, it deals 5 damage to target creature you don't control.
{5}{R}, {T}, Discard a card: Artillery Mage deals 5 damage to target creature you don't control.

Whenever you cast a noncreature spell, creatures you control get +1/+0 until end of turn.

Sabotage — Whenever an opponent or permanent an opponent controls becomes the target of a spell you control, Artisan of Brutality gets +2/+0 and gains first strike until end of turn.

Flash
When Artisan of Marrow enters, exile another target creature until Artisan of Marrow leaves the battlefield.

{T}: Draw a card. Artisan's Fountain doesn't untap during its controller's next untap step.

When Artisan's Genius enters, you may tap three untapped artifacts or other enchantments you control. If you do, draw three cards.
{5}{W}{U}, Exile Artisan's Genius: Return any number of artifact or enchantment cards with different names from your graveyard to your hand.

{T}: Add {C}{C}.
{2}: Scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

Destroy target artifact or enchantment. Scry 2.

{T}: Add one mana of any color. Each other player adds one mana of any color at the beginning of their next first main phase.

When Artistic Vision enters, create two 1/1 colorless Construct artifact creature tokens.
Whenever you cast an instant or sorcery spell, you may tap two untapped artifacts you control. If you do, copy that spell. You may choose new targets for the copies.

Hexproof
At the beginning of your upkeep, put a card from your hand on top of your library. You may shuffle.
{1}: Look at the top three cards of your library, then put them back in any order.
{2}{U}: Draw a card.

Augmented — When you cast this spell, if you've spent {W}{U}{B}{R}{G} to cast spells this turn, copy it twice.
Choose a nonland permanent type. Each player sacrifices a permanent of the chosen type.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
You may sacrifice a permanent. When you do, As the Lanterns Float On deals 3 damage to any target.
You may sacrifice a permanent. When you do, exile the top two cards of your library. You may play them this turn.
Create a token that's a copy of target permanent card in your graveyard with mana value 4 or less. It gains haste. Sacrifice it at the beginning of the next end step.

First mate — Each land card in your starting deck has a different name. (If this card outside the game is your chosen first mate, you may swap it with a card in your opening hand.)
Lifelink, vigilance
Asabeth of the Intrepid's power and toughness are each equal to the number of lands you control.

Equipped creature gets +2/+2.
Art of war — At the beginning of your end step, if equipped creature dealt damage to an opponent this turn, untap each equipped creature you control.
Equip {2}

Foretell {2}{W}{W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
Choose one. If this spell was foretold, you may choose both instead —
• Put a +1/+1 counter on each creature you control.
• Exile target nonland permanent an opponent controls. Its controller may scry 2.

First strike, vigilance
Whenever Asamund, Queen of Yroncaster deals combat damage to a player, choose a number. That player can't cast noncreature spells with mana value equal to the chosen number until the end of your next turn.

Wu Xing (Add effects based on the number of colors of mana spent to cast this spell.)
1 | Exile up to two target creatures. Return them to the battlefield under their owners' control at the beginning of the next end step.
3 | You may have them enter with an additional +1/+1 counter on them.