({S} can be paid with one mana from a snow source.) When Arcum's Astrolabe enters the battlefield, draw a card. {1}, {T}: Add one mana of any color.

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

{1}, {T}, Sacrifice Chromatic Star: Add one mana of any color. When Chromatic Star is put into a graveyard from the battlefield, draw a card.

When Elsewhere Flask enters the battlefield, draw a card. Sacrifice Elsewhere Flask: Choose a basic land type. Each land you control becomes that type until end of turn.

Imprint — When Extraplanar Lens enters the battlefield, you may exile target land you control. Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.

When Guild Globe enters the battlefield, draw a card. {2}, {T}, Sacrifice Guild Globe: Add two mana of different colors.

When Ichor Wellspring enters the battlefield or is put into a graveyard from the battlefield, draw a card.

{W}, Sacrifice Implement of Improvement: You gain 2 life. When Implement of Improvement is put into a graveyard from the battlefield, draw a card.

Sacrifice an artifact: Add {C}{C}.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

When Mycosynth Wellspring enters the battlefield or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

{T}, Sacrifice Scourglass: Destroy all permanents except for artifacts and lands. Activate only during your upkeep.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

{T}: Add {C}{C}.

Sacrifice a creature: Put a charge counter on Spawning Pit. {1}, Remove two charge counters from Spawning Pit: Create a 2/2 colorless Spawn artifact creature token.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.) Equip {1}

Terrarion enters the battlefield tapped. {2}, {T}, Sacrifice Terrarion: Add two mana in any combination of colors. When Terrarion is put into a graveyard from the battlefield, draw a card.

{1}, {T}, Discard a card: You gain 4 life. {1}, {T}, Pay 1 life: Create a 0/1 white Goat creature token. {1}, {T}, Sacrifice a creature: Return target artifact card from your graveyard to your hand. {1}, {T}, Sacrifice an artifact: Draw a card.

Flying, vigilance, indestructible Other permanents you control have indestructible.

Flying When Boreas Charger leaves the battlefield, choose an opponent who controls more lands than you. Search your library for a number of Plains cards equal to the difference, reveal those cards, put one of them onto the battlefield tapped and the rest into your hand, then shuffle.

{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Flying Whenever you cast a creature spell with mana value 3 or less, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

When Cathodion dies, add {C}{C}{C}.

{1}{W}: Target permanent you control gains protection from white until end of turn. {1}: Target spell or permanent becomes white until end of turn.

This spell costs {1} less to cast for each card type among cards in your graveyard. When you cast this spell, you gain control of target opponent during that player's next turn. After that turn, that player takes an extra turn. Flying, trample, protection from instants

When Filigree Familiar enters the battlefield, you gain 2 life. When Filigree Familiar dies, draw a card.

Double strike Whenever you cast a creature spell, create a 4/4 black Zombie Warrior creature token with vigilance. When God-Eternal Oketra dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

{T}: Add {W}.

When Inquisitor Exarch enters the battlefield, choose one — • You gain 2 life. • Target opponent loses 2 life.

Flying When Junk Diver dies, return another target artifact card from your graveyard to your hand.

Flying, protection from black Echo {3}{W}{W} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When Karmic Guide enters the battlefield, return target creature card from your graveyard to the battlefield.

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {1}."

First strike When Knight of the White Orchid enters the battlefield, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

When you cast this spell, if you have fewer than seven cards in hand, draw cards equal to the difference. Menace Discard a card with mana value X: Counter target spell with mana value X.

{T}, Sacrifice three artifacts: Search your library for an artifact card, put it onto the battlefield, then shuffle.

{T}: Add {C}.

Changeling (This card is every creature type.) {X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

When Myr Retriever dies, return another target artifact card from your graveyard to your hand.

{T}: Add {C}{C}.

When Perilous Myr dies, it deals 2 damage to any target.

Flying When Reveillark leaves the battlefield, return up to two target creature cards with power 2 or less from your graveyard to the battlefield. Evoke {5}{W} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Whenever Scrap Trawler or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in your graveyard with lesser mana value.

Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.) {T}, Sacrifice an artifact: Search your library for a Construct card, reveal it, put it into your hand, then shuffle.

Flying Sacrifice Selfless Spirit: Creatures you control gain indestructible until end of turn.

Flying When Skyscanner enters the battlefield, draw a card.

Chroma — When Springjack Shepherd enters the battlefield, create a 0/1 white Goat creature token for each white mana symbol in the mana costs of permanents you control.

First strike, protection from red When Tivadar of Thorn enters the battlefield, destroy target Goblin.

When you cast this spell, exile two target permanents. Indestructible Whenever Ulamog, the Ceaseless Hunger attacks, defending player exiles the top twenty cards of their library.

Choose one or both — • Exile target artifact. • Exile target enchantment.

Tap target creature. Metalcraft — If you control three or more artifacts, exile that creature.

Return to the battlefield all permanent cards in your graveyard that were put there from the battlefield this turn.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Return each creature card with mana value X or less from your graveyard to the battlefield. Exile those creatures at the beginning of your next upkeep. Exile Rally the Ancestors.

{T}: Add {W}.

{T}: Add {C}. {2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

Indestructible {T}: Add {C}.

Emeria, the Sky Ruin enters the battlefield tapped. At the beginning of your upkeep, if you control seven or more Plains, you may return target creature card from your graveyard to the battlefield. {T}: Add {W}.

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

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life. {T}: Add {C}. {4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

Myriad Landscape enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

{T}: Add {C}. {1}, {T}, Sacrifice an artifact: You gain 1 life.

({T}: Add {W}.)

{T}: Add {C}. {4}, {T}: Create a 0/1 white Goat creature token. {T}, Sacrifice X Goats: Add X mana of any one color. You gain X life.

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) Windbrisk Heights enters the battlefield tapped. {T}: Add {W}. {W}, {T}: You may play the exiled card without paying its mana cost if you attacked with three or more creatures this turn.

Colorless spells you cast cost {2} less to cast. +1: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand. −3: Destroy target permanent that's one or more colors.

Return all artifact and enchantment cards from all graveyards to the battlefield under their owners' control. (Auras with nothing to enchant remain in graveyards.)