Whenever Pawn of Ulamog or another nontoken creature you control dies, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."

Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

{2}: Put a charge counter on Gemstone Array. Remove a charge counter from Gemstone Array: Add one mana of any color.

{2}: Add one mana of any color.

Creature spells you cast cost {2} less to cast. Creatures you control get -1/-1.

Creature spells you cast that share a creature type with Mistform Warchief cost {1} less to cast. {T}: Mistform Warchief becomes the creature type of your choice until end of turn.

Imprint — When Semblance Anvil enters the battlefield, you may exile a nonland card from your hand. Spells you cast that share a card type with the exiled card cost {2} less to cast.

At the beginning of your upkeep, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) Exile a card from your graveyard: Add {C}. Spend this mana only to cast a spell that's one or more colors without {X} in its mana cost.

Whenever Ghostly Pilferer becomes untapped, you may pay {2}. If you do, draw a card. Whenever an opponent casts a spell from anywhere other than their hand, draw a card. Discard a card: Ghostly Pilferer can't be blocked this turn.

Reach Discard a card: Noose Constrictor gets +1/+1 until end of turn.

Discard a card: Olivia's Dragoon gains flying until end of turn.

Discard a card: Psychatog gets +1/+1 until end of turn. Exile two cards from your graveyard: Psychatog gets +1/+1 until end of turn.

Discard a card: Putrid Imp gains flying until end of turn. Threshold — As long as seven or more cards are in your graveyard, Putrid Imp gets +1/+1 and can't block.

Flying Whenever you cycle or discard another card, put a -1/-1 counter on each creature your opponents control. Cycling {2} ({2}, Discard this card: Draw a card.)

Whenever you discard a creature card, create a 2/2 black Zombie creature token. Whenever you discard a land card, add {B}{B}. Whenever you discard a noncreature, nonland card, draw a card.

Flying Whenever you cycle or discard another card, scry 1. Cycling {U} ({U}, Discard this card: Draw a card.)

Whenever you cycle or discard a card, you may pay {1}. If you do, create a 2/2 blue Drake creature token with flying.

When Mortus Strider dies, return it to its owner's hand.

When Acolyte of Affliction enters the battlefield, mill two cards, then you may return a permanent card from your graveyard to your hand.

Draw cards equal to the number of cards in your hand, then discard a card for each card drawn this way. Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Menace When Atris, Oracle of Half-Truths enters the battlefield, target opponent looks at the top three cards of your library and separates them into a face-down pile and a face-up pile. Put one pile into your hand and the other into your graveyard.

Create a 1/1 blue and black Horror creature token with flying. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Flying When Cavern Harpy enters the battlefield, return a blue or black creature you control to its owner's hand. Pay 1 life: Return Cavern Harpy to its owner's hand.

Return target permanent to its owner's hand. Its controller loses 3 life. Transmute {1}{U}{B} ({1}{U}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

When Coiling Oracle enters the battlefield, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put that card into your hand.

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

Inspired — Whenever Disciple of Deceit becomes untapped, you may discard a nonland card. If you do, search your library for a card with the same mana value as that card, reveal it, put it into your hand, then shuffle.

When Glowspore Shaman enters the battlefield, mill three cards. You may put a land card from your graveyard on top of your library. (To mill a card, put the top card of your library into your graveyard.)

Trample Whenever Grim Flayer deals combat damage to a player, surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Delirium — Grim Flayer gets +2/+2 as long as there are four or more card types among cards in your graveyard.

Reveal the top five cards of your library. You may put a creature or land card from among them into your hand. Put the rest into your graveyard.

Draw a card. You may put a land card from your hand onto the battlefield.

{T}: Add {G}{U}.

All Slivers have "Pay 2 life: Return this permanent to its owner's hand."

{T}: Untap another target permanent.

Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card. −1: Untap target permanent.

{T}: Add {B}.

Destroy target nonland permanent and all other permanents with the same name as that permanent.

Flying {T}: Add {G} or {U}.

{2}: Exile target creature card from a graveyard. Create a 1/1 green Saproling creature token.

As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield with an additional +1/+1 counter on it, then shuffle.

Destroy target artifact or creature. It can't be regenerated.

Whenever Risen Reef or another Elemental enters the battlefield under your control, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever Shadowmage Infiltrator deals combat damage to a player, you may draw a card.

{T}: Add {B} or {G}. {T}: Mill two cards.

Whenever you cast a multicolored spell, draw a card. {T}: Add one mana of any color.

Sacrifice a creature: Add {C}{C}.

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

{U}, Sacrifice Enigma Eidolon: Target player mills three cards. Whenever you cast a multicolored spell, you may return Enigma Eidolon from your graveyard to your hand.

{B}, Sacrifice Entropic Eidolon: Target player loses 1 life and you gain 1 life. Whenever you cast a multicolored spell, you may return Entropic Eidolon from your graveyard to your hand.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

When Iname, Death Aspect enters the battlefield, you may search your library for any number of Spirit cards, put them into your graveyard, then shuffle.