: Add one mana of any color.

: Add .

Skeletons, Vampires, and Zombies you control get +1/+1.

At the beginning of your end step, if a creature died this turn, you may pay . If you do, create a 1/1 black Skeleton creature token.

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

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

2/2

Flying, vigilance

: Add .

: Add .

Majestic Myriarch's power and toughness are each equal to twice the number of creatures you control.

At the beginning of each combat, Majestic Myriarch gains flying until end of turn if you control a creature with flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance.

When Myr Battlesphere enters, 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.

When Myr Custodian enters, scry 2. Then each opponent may scry 1. (To scry X, a player looks at the top X cards of their library, then puts any number of them on the bottom and the rest on top in any order.)

Other Myr creatures you control get +1/+1.

, : Untap each other Myr you control.

When Myr Kinsmith enters, you may search your library for a Myr card, reveal it, put it into your hand, then shuffle.

Indestructible (Effects that say "destroy" don't destroy this artifact.)

Myr creatures get +1/+1.

: Create a 1/1 colorless Myr artifact creature token.

When Myr Moonvessel dies, add .

At the beginning of your upkeep, put a +1/+1 counter on Myr Prototype.

Myr Prototype can't attack or block unless you pay for each +1/+1 counter on it.

: Add . Spend this mana only to cast Myr spells or activate abilities of Myr.

, : Return target Myr card from your graveyard to your hand.

Sacrifice Myr Scrapling: Put a +1/+1 counter on target creature.

When Myr Sire dies, create a 1/1 colorless Phyrexian Myr artifact creature token.

: Create a 1/1 colorless Myr artifact creature token.

, Tap five untapped Myr you control: Search your library for a Myr creature card, put it onto the battlefield, then shuffle.

Whenever you cast an instant or sorcery spell from your hand, open an Attraction.

, : Exile target instant or sorcery card with mana value X from your graveyard and choose an Attraction you control that doesn't have a midway counter on it. Put a midway counter on it. For as long as that Attraction is on the battlefield, whenever you visit it, copy the exiled card. You may cast the copy without paying its mana cost.

Kicker

If Myriad Construct was kicked, it enters with a +1/+1 counter on it for each nonbasic land your opponents control.

When Myriad Construct becomes the target of a spell, sacrifice it and create a number of 1/1 colorless Construct artifact creature tokens equal to its power.

As long as your life total is less than or equal to half your starting life total, Myrkul, Lord of Bones has indestructible.

Whenever another nontoken creature you control dies, you may exile it. If you do, create a token that's a copy of that card, except it's an enchantment and loses all other card types.

Psychic Blades — : Creatures you control get +2/+0 and gain menace until end of turn. (A creature with menace can't be blocked except by two or more creatures.)

, Sacrifice Parcel Myr: Draw a card.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

: Add .

Flash

You may cast artifact spells as though they had flash.

: Add .

(Transforms from The Everflowing Well.)

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Whenever you cast a permanent spell using mana produced by The Myriad Pools, up to one other target permanent you control becomes a copy of that spell until end of turn.