Crimson Hellkite

Flying
{X}, {T}: Crimson Hellkite deals X damage to target creature. Spend only red mana on X.

Llanowar Elves

Marsh Viper

Whenever Marsh Viper deals damage to a player, that player gets two poison counters. (A player with ten or more poison counters loses the game.)

Birds of Paradise

Renewing Touch

Shuffle any number of target creature cards from your graveyard into your library.

Dirtcowl Wurm

Whenever an opponent plays a land, put a +1/+1 counter on Dirtcowl Wurm.

Beast of Burden

Beast of Burden's power and toughness are each equal to the number of creatures on the battlefield.

Sylvan Basilisk

Whenever Sylvan Basilisk becomes blocked by a creature, destroy that creature.

Teferi's Puzzle Box

At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.

Jayemdae Tome

Seedborn Muse

Untap all permanents you control during each other player's untap step.

Worldly Tutor

Search your library for a creature card, reveal it, then shuffle and put the card on top.

Boiling Seas

Smoke

Players can't untap more than one creature during their untap steps.

Urza's Tower

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

Mana Flare

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Fecundity

Whenever a creature dies, that creature's controller may draw a card.

Seething Song

Marhault Elsdragon

Rampage 1 (Whenever this creature becomes blocked, it gets +1/+1 until end of turn for each creature blocking it beyond the first.)

Hurricane

Hurricane deals X damage to each creature with flying and each player.

Sandstone Warrior

First strike (This creature deals combat damage before creatures without first strike.)
{R}: Sandstone Warrior gets +1/+0 until end of turn.

Furnace of Rath

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Moss Diamond

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

Rowen

Reveal the first card you draw each turn. Whenever you reveal a basic land card this way, draw a card.

Flame Wave

Flame Wave deals 4 damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.

Viridian Shaman

When Viridian Shaman enters, destroy target artifact.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Elvish Archers

Urza's Mine

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

Thran Golem

As long as Thran Golem is enchanted, it gets +2/+2 and has flying, first strike, and trample.

Sol Ring

Blaze

Flashfires

Naturalize

Mishra's Factory

{T}: Add {C}.
{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Forest

Smoldering Crater

Smoldering Crater enters tapped.
{T}: Add {R}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Giant Growth

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

Karplusan Forest

{T}: Add {C}.
{T}: Add {R} or {G}. Karplusan Forest deals 1 damage to you.

Serpent Generator

{4}, {T}: Create a 1/1 colorless Snake artifact creature token. It has "Whenever this creature deals damage to a player, that player gets a poison counter." (A player with ten or more poison counters loses the game.)

City of Brass

Whenever City of Brass becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Stangg

When Stangg enters, create Stangg Twin, a legendary 3/4 red and green Human Warrior creature token. Exile that token when Stangg leaves the battlefield. Sacrifice Stangg when that token leaves the battlefield.

Urza's Bauble

{T}, Sacrifice Urza's Bauble: Look at a card at random in target player's hand. You draw a card at the beginning of the next turn's upkeep.

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.

Mana Vault

Mana Vault doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.
At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.
{T}: Add {C}{C}{C}.

Loxodon Warhammer

Equipped creature gets +3/+0 and has trample and lifelink.
Equip {3}

Vernal Bloom

Whenever a Forest is tapped for mana, its controller adds an additional {G}.

Might of Oaks

Target creature gets +7/+7 until end of turn.

Prevent all combat damage that would be dealt this turn.

Collective Unconscious

Draw a card for each creature you control.

Lhurgoyf

Lhurgoyf's power is equal to the number of creature cards in all graveyards and its toughness is equal to that number plus 1.

Stampede

Attacking creatures get +1/+0 and gain trample until end of turn.

Slippery Karst

Slippery Karst enters tapped.
{T}: Add {G}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Anaconda

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Verdant Force

At the beginning of each upkeep, create a 1/1 green Saproling creature token.

Demolish

Shivan Oasis

Shivan Oasis enters tapped.
{T}: Add {R} or {G}.

Urza's Power Plant

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

Mirri, Cat Warrior

First strike, forestwalk, vigilance (This creature deals combat damage before creatures without first strike, it can't be blocked as long as defending player controls a Forest, and attacking doesn't cause this creature to tap.)

Overrun

Creatures you control get +3/+3 and gain trample until end of turn. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)

Inferno

Inferno deals 6 damage to each creature and each player.

Fire Diamond

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

Mountain

Familiar Ground

Each creature you control can't be blocked by more than one creature.

Firebreathing

Enchant creature
{R}: Enchanted creature gets +1/+0 until end of turn.

Manabarbs

Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.

Earthquake

Earthquake deals X damage to each creature without flying and each player.

Segmented Wurm

Whenever Segmented Wurm becomes the target of a spell or ability, put a -1/-1 counter on it.

Kormus Bell

All Swamps are 1/1 black creatures that are still lands.

Strip Mine

{T}: Add {C}.
{T}, Sacrifice Strip Mine: Destroy target land.

Vulshok Morningstar

Equipped creature gets +2/+2.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Dense Foliage

Creatures can't be the targets of spells.

Ankh of Mishra

Whenever a land enters, Ankh of Mishra deals 2 damage to that land's controller.

Waiting in the Weeds

Each player creates a 1/1 green Cat creature token for each untapped Forest they control.