Moonstone, Harsh Mistress

a Villain enters the battlefield — 99 cards in Moonstone's colors can cause this (Moonstone is one).

When Moonstone, Harsh Mistress enters:

1. Doom Reigns Supreme — makes each opponent lose 1 life
2. Crossbones, Malicious Mercenary — puts a +1/+1 counter on itself
3. Yellowjacket, Heartless Marauder — gets +1/+0
4. Swordsman, Sharp Scoundrel — triggers
5. Baron Strucker, HYDRA Overlord — draws and discards

discard a card — 641 cards in Moonstone's colors can cause this.

1. Tinybones Joins Up — When Tinybones Joins Up makes a player discard a card, Moonstone, Harsh Mistress brings a card back
2. Cracked Skull — When Cracked Skull makes a player discard a card, Moonstone, Harsh Mistress brings a card back
3. Gix, Yawgmoth Praetor — When Gix, Yawgmoth Praetor makes a player discard a card, Moonstone, Harsh Mistress brings a card back
4. Pip-Boy 3000 — When Pip-Boy 3000 makes a player discard a card, Moonstone, Harsh Mistress brings a card back
5. Arm-Mounted Anchor — When a Pirate makes a player discard a card thanks to Arm-Mounted Anchor, Moonstone, Harsh Mistress brings a card back
6. Mask of Memory — When Mask of Memory makes a player discard a card, Moonstone, Harsh Mistress brings a card back
7. Paleontologist's Pick-Axe // Dinosaur Headdress — When Paleontologist's Pick-Axe // Dinosaur Headdress makes a player discard a card, Moonstone, Harsh Mistress brings a card back
8. Skeleton Key — When Skeleton Key makes a player discard a card, Moonstone, Harsh Mistress brings a card back
9. Zephyr Boots — When Zephyr Boots makes a player discard a card, Moonstone, Harsh Mistress brings a card back
10. Ordeal of Erebos — When Ordeal of Erebos makes a player discard a card, Moonstone, Harsh Mistress brings a card back

631 other cards cause it too. These are the ones with the most connections.

anything leaves a graveyard — 955 cards in Moonstone's colors can cause this (Moonstone is one).

When Moonstone, Harsh Mistress leaves a graveyard:

1. Blastoneuron — makes each opponent lose 1 life
2. Defiled Crypt // Cadaver Lab — makes a token
3. Tormod, the Desecrator — makes a token
4. Fang, Fearless l'Cie — draws you 1 card
5. Teval's Judgment — triggers

a card in a graveyard — 2,555 cards in Moonstone's colors can cause this.

1. Liliana the Repentant — Liliana the Repentant puts cards into the graveyard that Moonstone, Harsh Mistress can bring back
2. Shriveling Rot — Shriveling Rot puts cards into the graveyard that Moonstone, Harsh Mistress can bring back
3. Foot Chopper — Foot Chopper puts cards into the graveyard that Moonstone, Harsh Mistress can bring back
4. Grave Peril — When Grave Peril is in the graveyard, Moonstone, Harsh Mistress can bring it back
5. Lich — Lich puts cards into the graveyard that Moonstone, Harsh Mistress can bring back
6. Professor Onyx — Professor Onyx puts cards into the graveyard that Moonstone, Harsh Mistress can bring back
7. Herald of Anguish — Herald of Anguish puts cards into the graveyard that Moonstone, Harsh Mistress can bring back
8. Arbiter of Woe — Arbiter of Woe puts cards into the graveyard that Moonstone, Harsh Mistress can bring back
9. Corpse Traders — Corpse Traders puts cards into the graveyard that Moonstone, Harsh Mistress can bring back
10. Tendrils of Despair — Tendrils of Despair puts cards into the graveyard that Moonstone, Harsh Mistress can bring back
11. Mind Slash — Mind Slash puts cards into the graveyard that Moonstone, Harsh Mistress can bring back
12. Momentum Breaker — When Momentum Breaker is in the graveyard, Moonstone, Harsh Mistress can bring it back
13. The Cruelty of Gix — When The Cruelty of Gix is in the graveyard, Moonstone, Harsh Mistress can bring it back
14. Doomsday Confluence — Doomsday Confluence puts cards into the graveyard that Moonstone, Harsh Mistress can bring back
15. Garruk, Veiled Butcher — Garruk, Veiled Butcher puts cards into the graveyard that Moonstone, Harsh Mistress can bring back

2,570 other cards care about it too. These are the ones with the most connections.

a creature attacks — 3,478 cards in Moonstone's colors can cause this (Moonstone is one).

When Moonstone, Harsh Mistress attacks:

1. Adaptive Omnitool — searches a library
2. Chorale of the Void — brings a card back
3. Staff of Titania — makes a token
4. Inquisitorial Rosette — makes a token
5. Wand of Orcus — grants deathtouch
6. Andúril, Flame of the West — makes 2 tokens
7. Saw — sacrifices a creature
8. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Throwing Knife — sacrifices itself

45 other cards care about it too. These are the ones with the most connections.

anything attacks — 3,478 cards in Moonstone's colors can cause this (Moonstone is one).

When Moonstone, Harsh Mistress attacks:

1. Grim Javelineer — gives +1/+0
2. ED-E, Lonesome Eyebot — puts a quest counter on itself
3. Fire Navy Trebuchet — makes a token
4. Stensian Sanguinist // Exsanguinate — grants deathtouch
5. Rev, Tithe Extractor — grants deathtouch
6. Boggart Prankster — gives +1/+0
7. Within Range — makes each opponent lose life
8. Curse of Disturbance — makes a token
9. Dawnsire, Sunstar Dreadnought — deals 100 damage
10. Twins of Discord — triggers

6 other cards care about it too. These are the ones with the most connections.

a creature blocks — 3,478 cards in Moonstone's colors can cause this (Moonstone is one).

When Moonstone, Harsh Mistress blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Barrow-Blade — strips abilities
3. Dead-Iron Sledge — kills a creature

3 other cards care about it too. These are the ones with the most connections.

a creature deals combat damage — 3,478 cards in Moonstone's colors can cause this (Moonstone is one).

1. Hive Mind Coprocessor — When Moonstone, Harsh Mistress deals combat damage, Hive Mind Coprocessor makes you lose life

62 other cards care about it too. These are the ones with the most connections.

a creature is cast — 3,493 cards in Moonstone's colors can cause this (Moonstone is one).

When Moonstone, Harsh Mistress is cast:

1. Endrek Sahr, Master Breeder — makes that spell's mana value tokens
2. Oketra's Monument — makes a token
3. Bontu's Monument — makes each opponent lose 1 life
4. Vanquisher's Banner — draws you 1 card
5. Rhonas's Monument — gives +2/+2
6. Skittering Horror — sacrifices itself
7. Skittering Skirge — sacrifices itself
8. Skittering Monstrosity — sacrifices itself
9. Hazoret's Monument — draws and discards
10. Kefnet's Monument — triggers

8 other cards care about it too. These are the ones with the most connections.

a nontoken creature enters the battlefield — 3,680 cards in Moonstone's colors can cause this (Moonstone is one).

1. Minion Reflector — When Moonstone, Harsh Mistress enters, Minion Reflector makes a token

a creature enters the battlefield — 3,967 cards in Moonstone's colors can cause this (Moonstone is one).

When Moonstone, Harsh Mistress enters:

1. Ayara, First of Locthwain — makes each opponent lose 1 life
2. Blasting Station — untaps itself
3. Bloodline Pretender — puts a +1/+1 counter on itself
4. Snarling Gorehound — surveils
5. Soultether Golem — puts a time counter on itself
6. Poisonbelly Ogre — makes a player lose 1 life
7. Monkey Cage — sacrifices itself
8. Tainted Aether — makes a player sacrifice a creature or land
9. Lethal Vapors — kills it
10. Spreading Plague — kills a creature

36 other cards care about it too. These are the ones with the most connections.