Devoid (This card has no color.)

Exile target nonland permanent. You may cast that card for as long as it remains exiled, and you may spend colorless mana as though it were mana of any color to cast that spell.

Storm (When you cast this spell, copy it for each spell cast before it this turn. Copies become tokens.)

Aeve, Progenitor Ooze isn't legendary if it's a token.

Aeve enters with a +1/+1 counter on it for each other Ooze you control.

+2: Put two +1/+1 counters on up to one target creature.

+1: Reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

−11: Put X +1/+1 counters on target creature, where X is your life total. That creature gains trample until end of turn.

Vigilance

When Alquist Proft, Master Sleuth enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

, , Sacrifice a Clue: You draw X cards and gain X life.

When Angelheart Protector enters, target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

When Arcane Proxy enters, if you cast it, exile target instant or sorcery card with mana value less than or equal to Arcane Proxy's power from your graveyard. Copy that card. You may cast the copy without paying its mana cost.

//PRT-Prototype_Mech//

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

2/1

When Armed with Proof enters, investigate twice. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Clues you control are Equipment in addition to their other types and have "Equipped creature gets +2/+0" and equip .

Commander creatures you control get +2/+2 and have indestructible.

Put a +1/+1 counter on target creature. That creature gains first strike until end of turn. You gain 2 life. (A creature with first strike deals combat damage before creatures without first strike.)

When Blanchwood Prowler enters, mill three cards. You may put a land card from among the cards milled this way into your hand. If you don't, put a +1/+1 counter on Blanchwood Prowler. (To mill a card, put the top card of your library into your graveyard.)

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)

Flash

Enchant creature

Enchanted creature gets +2/+2 as long as it's a Detective you control. Otherwise, it has base power and toughness 1/1 and can't block Detectives.

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Morbid — At the beginning of your end step, if a creature died this turn, put a +1/+1 counter on this creature.

Whenever a Detective you control enters or is turned face up, put a +1/+1 counter on it.

To solve — You control three or more Detectives. (If unsolved, solve at the beginning of your end step.)

Solved — If one or more tokens would be created under your control, those tokens plus a Clue token are created instead. (It's an artifact with ", Sacrifice this artifact: Draw a card.")

Flash

When Cemetery Protector enters, exile a card from a graveyard.

Whenever you play a land or cast a spell, if it shares a card type with the exiled card, create a 1/1 white Human creature token.

When you unlock this door, search your library for a Room card that doesn't have the same name as a Room you control, reveal it, put it into your hand, then shuffle.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

As Circle of Protection: Art enters, choose an artist.

: The next time a source of your choice with art by the chosen artist would deal damage to you this turn, prevent that damage.

: Return Circle of Protection: Art to its owner's hand.

: The next time a black source of your choice would deal damage to you this turn, prevent that damage.

: The next time a green source of your choice would deal damage to you this turn, prevent that damage.

: The next time a creature of your choice with shadow would deal damage to you this turn, prevent that damage.

Whenever Clammy Prowler attacks, another target attacking creature can't be blocked this turn.

Flying

At the beginning of combat on your turn, target creature you control gets +1/+0 and gains vigilance until end of turn.

Target creature you control gains myriad until end of turn. (Whenever it attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

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

Whenever a creature you control dies, you draw a card and you lose 1 life.

At the beginning of your upkeep, mill a card. Then if there are three or more creature cards in your graveyard, transform Deathbonnet Sprout. (To mill a card, put the top card of your library into your graveyard.)

Destroy target creature. Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Whenever you cast a noncreature spell, put a +1/+1 counter on Deeproot Champion.

Merfolk and Druid cards in your graveyard have retrace. (You may cast cards with retrace from your graveyard by discarding a land card in addition to paying their other costs.)

Whenever Deeproot Warrior becomes blocked, it gets +1/+1 until end of turn.

Whenever Deeproot Wayfinder deals combat damage to a player or battle, surveil 1, then you may return a land card from your graveyard to the battlefield tapped. (To surveil 1, look at the top card of your library. You may put that card into your graveyard.)

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

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)

As an additional cost to cast this spell, tap an untapped artifact you control or pay .

Counter target spell.

Dream Prowler can't be blocked as long as it's attacking alone.

Haste (This creature can attack and as soon as it comes under your control.)

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Create a 1/1 green Elf Warrior creature token for each Elf you control.

Flash

Enchant creature

Enchanted creature gets +5/+5 and has trample.

Whenever you cycle a card, you may pay . When you do, exile target artifact or creature you control, then return it to the battlefield under its owner's control.

Whenever a creature you control with power 2 or less enters, you get an experience counter.

At the beginning of combat on your turn, put X +1/+1 counters on another target creature you control, where X is the number of experience counters you have.

Destroy target creature or planeswalker.

You may cast up to one target instant card and/or up to one target sorcery card from your graveyard each with mana value X or less without paying their mana costs. If a spell cast this way would be put into your graveyard, exile it instead. If X is 10 or more, copy each of those spells twice. You may choose new targets for the copies.

Font of Progress enters with two oil counters on it.

, : Target player mills X cards, where X is the number of oil counters on Font of Progress.

Creatures you control get +0/+1.

When Fortifying Provisions enters, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Deathtouch

Create X 1/1 green Saproling creature tokens, where X is the greatest power among creatures you control.

Whenever you cast an instant or sorcery spell from your hand, you may cast up to one target card of the other type from your graveyard. If a spell cast from your graveyard this way would be put into your graveyard, exile it instead.

Choose a Background (You can have a Background as a second commander.)

Whenever one or more nontoken creatures die, create a 2/2 black Zombie creature token with decayed. This ability triggers only once each turn. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

, : Exile another target creature you control. You may return that card to the battlefield under its owner's control. If you don't, at the beginning of the next end step, return that card to the battlefield under its owner's control with a vigilance counter and a lifelink counter on it.

Artifact creatures you control have trample.

At the beginning of your end step, create a 0/0 red Gremlin artifact creature token. Put X +1/+1 counters on it, where X is the number of differently named artifact tokens you control.