Mages' Contest

You and target spell's controller bid life. You start the bidding with a bid of 1. In turn order, each player may top the high bid. The bidding ends if the high bid stands. The high bidder loses life equal to the high bid. If you win the bidding, counter that spell.

Grizzly Bears

Mountain

Island

Grasslands

Grasslands enters tapped.
{T}, Sacrifice Grasslands: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

Witch Hunter

{T}: Witch Hunter deals 1 damage to target player or planeswalker.
{1}{W}{W}, {T}: Return target creature an opponent controls to its owner's hand.

Burnt Offering

As an additional cost to cast this spell, sacrifice a creature.
Add X mana in any combination of {B} and/or {R}, where X is the sacrificed creature's mana value.

Plains

Flashfires

Lifeforce

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.

Ashes to Ashes

Exile two target nonartifact creatures. Ashes to Ashes deals 5 damage to you.

Forest

Deathgrip

Cuombajj Witches

{T}: Cuombajj Witches deals 1 damage to any target and 1 damage to any target of an opponent's choice.

Marsh Goblins

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

Aura of Silence

Artifact and enchantment spells your opponents cast cost {2} more to cast.
Sacrifice Aura of Silence: Destroy target artifact or enchantment.

Dueling Grounds

No more than one creature can attack each combat.
No more than one creature can block each combat.

Divergent Growth

Until end of turn, lands you control gain "{T}: Add one mana of any color."

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.

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.

Sol Ring

Solfatara

Target player can't play lands this turn.
Draw a card at the beginning of the next turn's upkeep.

Hydroblast

Choose one —
• Counter target spell if it's red.
• Destroy target permanent if it's red.

Titania's Song

Each noncreature artifact loses all abilities and becomes an artifact creature with power and toughness each equal to its mana value. If Titania's Song leaves the battlefield, this effect continues until end of turn.

Prodigal Sorcerer

{T}: Prodigal Sorcerer deals 1 damage to any target.

Holy Strength

Enchant creature
Enchanted creature gets +1/+2.

Zuran Spellcaster

{T}: Zuran Spellcaster deals 1 damage to any target.

Escaped Shapeshifter

As long as an opponent controls a creature with flying not named Escaped Shapeshifter, Escaped Shapeshifter has flying. The same is true for first strike, trample, and protection from any color.

Pygmy Hippo

Whenever Pygmy Hippo attacks and isn't blocked, you may have defending player activate a mana ability of each land they control and lose all unspent mana. If you do, Pygmy Hippo assigns no combat damage this turn and at the beginning of your next main phase this turn, you add an amount of {C} equal to the amount of mana that player lost this way.

Fellwar Stone

{T}: Add one mana of any color that a land an opponent controls could produce.

Flaring Pain

Damage can't be prevented this turn.
Flashback {R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Brine Shaman

{T}, Sacrifice a creature: Target creature gets +2/+2 until end of turn.
{1}{U}{U}, Sacrifice a creature: Counter target creature spell.

Heat Stroke

At end of combat, destroy each creature that blocked or was blocked this turn.

Prevent all combat damage that would be dealt this turn.

Dragon Mage

Flying
Whenever this creature deals combat damage to a player, each player discards their hand, then draws seven cards.

Scarwood Goblins

Llanowar Elves

Power Surge

At the beginning of each player's upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Centaur Archer

{T}: Centaur Archer deals 1 damage to target creature with flying.

Banshee

{X}, {T}: Banshee deals half X damage, rounded down, to any target, and half X damage, rounded up, to you.

Dust to Dust

Karmic Guide

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, return target creature card from your graveyard to the battlefield.

Portcullis

Whenever a creature enters, if there are two or more other creatures on the battlefield, exile that creature. Return that card to the battlefield under its owner's control when Portcullis leaves the battlefield.

Cease-Fire

Target player can't cast creature spells this turn.
Draw a card.

Raise Dead

Return target creature card from your graveyard to your hand.

Howling Mine

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Creature Bond

Enchant creature
When enchanted creature dies, Creature Bond deals damage equal to that creature's toughness to the creature's controller.

Cultural Exchange

Choose any number of creatures target player controls. Choose the same number of creatures another target player controls. Those players exchange control of those creatures. (This effect lasts indefinitely.)

Active Volcano

Choose one —
• Destroy target blue permanent.
• Return target Island to its owner's hand.

Windseeker Centaur

Fyndhorn Elves

Terminate

Destroy target creature. It can't be regenerated.

Wall of Roots

Defender
Put a -0/-1 counter on Wall of Roots: Add {G}. Activate only once each turn.

Glasses of Urza

Soul Exchange

As an additional cost to cast this spell, exile a creature you control.
Return target creature card from your graveyard to the battlefield. Put a +2/+2 counter on that creature if the exiled creature was a Thrull.

Counterspell

Swamp

Rootwater Hunter

{T}: Rootwater Hunter deals 1 damage to any target.

Temporary Insanity

Untap target creature with power less than the number of cards in your graveyard and gain control of it until end of turn. That creature gains haste until end of turn.

Storm Crow

Flying (This creature can't be blocked except by creatures with flying or reach.)

Terravore

Trample
Terravore's power and toughness are each equal to the number of land cards in all graveyards.

Cromat

{W}{B}: Destroy target creature blocking or blocked by Cromat.
{U}{R}: Cromat gains flying until end of turn.
{B}{G}: Regenerate Cromat.
{R}{W}: Cromat gets +1/+1 until end of turn.
{G}{U}: Put Cromat on top of its owner's library.

Sisters of the Flame

Riptide Entrancer

Whenever Riptide Entrancer deals combat damage to a player, you may sacrifice it. If you do, gain control of target creature that player controls. (This effect lasts indefinitely.)
Morph {U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Uncle Istvan

Prevent all damage that would be dealt to Uncle Istvan by creatures.

Black Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.)

Mahamoti Djinn

Reality Anchor

Target creature loses shadow until end of turn.
Draw a card.

Disenchant

Thorn Elemental

You may have Thorn Elemental assign its combat damage as though it weren't blocked.