Harrow

As an additional cost to cast this spell, sacrifice a land.
Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Twitch

You may tap or untap target artifact, creature, or land.
Draw a card.

Radiant Solar

Flying, lifelink
Whenever Radiant Solar or another nontoken creature you control enters, venture into the dungeon. (Enter the first room or advance to the next room.)
{W}, Discard Radiant Solar: Venture into the dungeon and you gain 3 life.

Moss Diamond

Moss Diamond enters tapped.
{T}: Add {G}.

Shatter

Earth Servant

Earth Servant gets +0/+1 for each Mountain you control.

Adventurous Impulse

Look at the top three cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Plains

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Automatic Librarian

When Automatic Librarian enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Fire Servant

If a red instant or sorcery spell you control would deal damage, it deals double that damage instead.

Sky Diamond

Swamp

Apocalypse Demon

Flying
Apocalypse Demon's power and toughness are each equal to the number of cards in your graveyard.
At the beginning of your upkeep, tap Apocalypse Demon unless you sacrifice another creature.

Arcane Encyclopedia

Stonefury

Stonefury deals damage to target creature equal to the number of lands you control.

Unsummon

Return target creature to its owner's hand.

Forest

Charcoal Diamond

Charcoal Diamond enters tapped.
{T}: Add {B}.

Bonded Construct

Air Servant

Flying
{2}{U}: Tap target creature with flying.

Altar's Reap

As an additional cost to cast this spell, sacrifice a creature.
Draw two cards.

Bandage

Prevent the next 1 damage that would be dealt to any target this turn.
Draw a card.

Arms of Hadar

Creatures target player controls get -2/-2 until end of turn.

Scroll of Avacyn

{1}, Sacrifice Scroll of Avacyn: Draw a card. If you control an Angel, you gain 5 life.

Jackal Familiar

Jackal Familiar can't attack or block alone.

Barrin's Codex

At the beginning of your upkeep, you may put a page counter on Barrin's Codex.
{4}, {T}, Sacrifice Barrin's Codex: Draw X cards, where X is the number of page counters on Barrin's Codex.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Fire Diamond

Fire Diamond enters tapped.
{T}: Add {R}.

Cancel

Spellbook

Armor of Shadows

Until end of turn, target creature gets +1/+0 and gains indestructible. (Damage and effects that say "destroy" don't destroy it.)

Groundswell

Target creature gets +2/+2 until end of turn.
Landfall — If you had a land enter the battlefield under your control this turn, that creature gets +4/+4 until end of turn instead.

Scroll of Griselbrand

{1}, Sacrifice Scroll of Griselbrand: Target opponent discards a card. If you control a Demon, that player loses 3 life.

Safe Passage

Prevent all damage that would be dealt to you and creatures you control this turn.

Magic Missile

This spell can't be countered.
Magic Missile deals 3 damage divided as you choose among one, two, or three targets.

Water Servant

{U}: Water Servant gets +1/-1 until end of turn.
{U}: Water Servant gets -1/+1 until end of turn.

Cloudkill

All creatures get -X/-X until end of turn, where X is the greatest mana value of a commander you own on the battlefield or in the command zone.

Spell Satchel

Magecraft — Whenever you cast or copy an instant or sorcery spell, put a book counter on Spell Satchel.
{T}, Remove a book counter from Spell Satchel: Add {C}.
{3}, {T}, Remove three book counters from Spell Satchel: Draw a card.

Banishment

Flash
When Banishment enters, exile target nonland permanent an opponent controls and all other nonland permanents your opponents control with the same name as that permanent until Banishment leaves the battlefield.

Pseudodragon Familiar

Flying
{2}{U}: Target creature gains flying until end of turn.

Pressure Point

Giant Growth

Target creature gets +3/+3 until end of turn.

Witch's Familiar

Mountain

Hornet Sting

Hornet Sting deals 1 damage to any target.

Aether Snap

Remove all counters from all permanents and exile all tokens.

Filigree Familiar

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