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Cards similar to Memory Erosion (18)

Hermit of the Natterknolls  Lone Wolf of the Natterknolls

Hermit of the Natterknolls // Lone Wolf of the Natterknolls

Creature — Human Werewolf // Creature — Werewolf (2/3)

Whenever an opponent casts a spell during your turn, draw a card.
At the beginning of each upkeep, if no spells were cast last turn, transform Hermit of the Natterknolls.

Lone Wolf of the Natterknolls

Whenever an opponent casts a spell during your turn, draw two cards.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform Lone Wolf of the Natterknolls.

6.8 /10
$0.35
Forced Fruition

Forced Fruition

Enchantment

Whenever an opponent casts a spell, that player draws seven cards.

9 /10
$0.31
Mondronen Shaman  Tovolars Magehunter

Mondronen Shaman // Tovolar's Magehunter

Creature — Human Shaman Werewolf // Creature — Werewolf (3/2)

At the beginning of each upkeep, if no spells were cast last turn, transform Mondronen Shaman.

Tovolar's Magehunter

Whenever an opponent casts a spell, Tovolar's Magehunter deals 2 damage to that player.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform Tovolar's Magehunter.

6.5 /10
$0.40
Sauron the Dark Lord

Sauron, the Dark Lord

Legendary Creature — Avatar Horror (7/6)

Ward—Sacrifice a legendary artifact or legendary creature.
Whenever an opponent casts a spell, amass Orcs 1.
Whenever an Army you control deals combat damage to a player, the Ring tempts you.
Whenever the Ring tempts you, you may discard your hand. If you do, draw four cards.

9 /10
$9.98
Ammit Eternal

Ammit Eternal

Creature — Zombie Crocodile Demon (5/5)

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)
Whenever an opponent casts a spell, put a -1/-1 counter on Ammit Eternal.
Whenever Ammit Eternal deals combat damage to a player, remove all -1/-1 counters from it.

6.1 /10
$0.24
Bloodvial Purveyor

Bloodvial Purveyor

Creature — Vampire (5/6)

Flying, trample
Whenever an opponent casts a spell, that player creates a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")
Whenever Bloodvial Purveyor attacks, it gets +1/+0 until end of turn for each Blood token defending player controls.

6.4 /10
$0.19
Chancellor of the Annex

Chancellor of the Annex

Creature — Phyrexian Angel (5/6)

You may reveal this card from your opening hand. If you do, when each opponent casts their first spell of the game, counter that spell unless that player pays .
Flying
Whenever an opponent casts a spell, counter it unless that player pays .

6.9 /10
$2.27
Hunting Grounds

Hunting Grounds

Enchantment

Threshold — As long as seven or more cards are in your graveyard, Hunting Grounds has "Whenever an opponent casts a spell, you may put a creature card from your hand onto the battlefield."

6.8 /10
$2.10
Ishai Ojutai Dragonspeaker

Ishai, Ojutai Dragonspeaker

Legendary Creature — Bird Monk (1/1)

Flying
Whenever an opponent casts a spell, put a +1/+1 counter on Ishai, Ojutai Dragonspeaker.
Partner (You can have two commanders if both have partner.)

8.4 /10
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Lavinia Azorius Renegade

Lavinia, Azorius Renegade

Legendary Creature — Human Soldier (2/2)

Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls.
Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell.

9.2 /10
$0.37
Painful Quandary

Painful Quandary

Enchantment

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

9.5 /10
$3.64
Pardic Dragon

Pardic Dragon

Creature — Dragon (4/4)

Flying
: Pardic Dragon gets +1/+0 until end of turn.
Suspend 2—
Whenever an opponent casts a spell, if Pardic Dragon is suspended, that player may put a time counter on Pardic Dragon.

2.8 /10
$0.22
Powerbalance

Powerbalance

Enchantment

Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, you may cast that card without paying its mana cost if the two spells have the same mana value.

8.6 /10
$0.67
Rhystic Study

Rhystic Study

Enchantment

Whenever an opponent casts a spell, you may draw a card unless that player pays .

10 /10
~$44
Scalding Viper  Steam Clean

Scalding Viper // Steam Clean

Creature — Elemental Snake // Sorcery — Adventure (2/1)

Whenever an opponent casts a spell with mana value 3 or less, Scalding Viper deals 1 damage to that player.

Steam Clean

Return target nonland permanent to its owner's hand. (Then exile this card. You may cast the creature later from exile.)

7.8 /10
$0.12
Spelltithe Enforcer

Spelltithe Enforcer

Creature — Elephant Wizard (3/3)

Whenever an opponent casts a spell, that player sacrifices a permanent of their choice unless they pay .

7.5 /10
$2.25
Talion the Kindly Lord

Talion, the Kindly Lord

Legendary Creature — Faerie Noble (3/4)

Flying
As Talion, the Kindly Lord enters, choose a number between 1 and 10.
Whenever an opponent casts a spell with mana value, power, or toughness equal to the chosen number, that player loses 2 life and you draw a card.

9.5 /10
$3.21
Unstable Glyphbridge  Sandswirl Wanderglyph

Unstable Glyphbridge // Sandswirl Wanderglyph

Artifact // Artifact Creature — Golem (0/0)

When Unstable Glyphbridge enters, if you cast it, for each player, choose a creature with power 2 or less that player controls. Then destroy all creatures except creatures chosen this way.
Craft with artifact (, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Sandswirl Wanderglyph

Flying
Whenever an opponent casts a spell during their turn, they can't attack you or planeswalkers you control this turn.
Each opponent who attacked you or a planeswalker you control this turn can't cast spells.

7.5 /10
$0.21

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