Copycrook

a Rogue attacks — 636 cards in the game can cause this (Copycrook is one).

1. Soaring Thought-Thief — When Copycrook attacks, Soaring Thought-Thief mills a card

a Rogue deals combat damage — 636 cards in the game can cause this (Copycrook is one).

1. Anowon, the Ruin Thief — When Copycrook deals combat damage, Anowon, the Ruin Thief mills a card

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

a Rogue creature enters the battlefield — 657 cards in the game can cause this (Copycrook is one).

1. Cloak and Dagger — When Copycrook enters, Cloak and Dagger triggers

a Rogue enters the battlefield — 659 cards in the game can cause this (Copycrook is one).

1. Thieves' Guild Enforcer — When Copycrook enters, Thieves' Guild Enforcer mills a card

a card is discarded — 2,042 cards in the game can cause this (Copycrook is one).

When Copycrook makes a player discard a card:

1. Ivora, Insatiable Heir — puts a +1/+1 counter on itself
2. Cool but Rude — deals 2 damage
3. Containment Construct — brings a card back
4. Moonstone, Harsh Mistress — brings a card back
5. Sangromancer — gains you 3 life
6. Lo and Li, Royal Advisors — puts a counter on an Advisor
7. Nath of the Gilt-Leaf — makes a token
8. Inti, Seneschal of the Sun — exiles a card from your library
9. Pitchstone Wall — sacrifices itself
10. Currency Converter — exiles it

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

a creature goes to a graveyard — 3,011 cards in the game can cause this (Copycrook is one).

When Copycrook hits the graveyard:

1. Lorcan, Warlock Collector — brings a card back
2. Syr Konrad, the Grim — deals 1 damage
3. Robot Domination — draws you 1 card
4. Voracious Brood — puts that many +1/+1 counters on itself
5. Lazav, Dimir Mastermind — copies a permanent
6. Profane Memento — gains you 1 life
7. Dennick, Pious Apprentice // Dennick, Pious Apparition — triggers
8. Soulcipher Board // Cipherbound Spirit — triggers
9. Sefris of the Hidden Ways — triggers

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

a card is drawn — 3,815 cards in the game can cause this (Copycrook is one).

When Copycrook makes a player draw a card:

1. Temmet, Naktamun's Will — gives +1/+1
2. Niv-Mizzet, Parun — deals 1 damage
3. Aether Syphon — mills a card
4. Ob Nixilis, the Hate-Twisted — deals 1 damage
5. The Locust God — makes a token
6. Starving Revenant — makes each opponent lose 1 life
7. Diviner's Wand — gets +1/+1
8. Ominous Seas — puts a foreshadow counter on itself
9. Dream Trawler — gets +1/+0
10. Orcish Bowmasters — deals 1 damage

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

a card in a graveyard — 7,589 cards in the game can cause this (Copycrook is one).

1. Gale, Waterdeep Prodigy — When Copycrook is in the graveyard, Gale, Waterdeep Prodigy can bring it back
2. Transplant Theorist — When Copycrook is in the graveyard, Transplant Theorist can bring it back
3. Heart-Shaped Herb — When Copycrook is in the graveyard, Heart-Shaped Herb can bring it back
4. Wayward Angel — Copycrook fills your graveyard toward the 7 or more cards Wayward Angel needs
5. Rescue from the Underworld — When Copycrook is in the graveyard, Rescue from the Underworld can bring it back
6. Victimize — When Copycrook is in the graveyard, Victimize can bring it back
7. Bound // Determined — When Copycrook is in the graveyard, Bound // Determined can bring it back
8. Enlightened Confidant — When Copycrook is in the graveyard, Enlightened Confidant can bring it back
9. Tergrid, God of Fright // Tergrid's Lantern — When Copycrook is in the graveyard, Tergrid, God of Fright // Tergrid's Lantern can bring it back
10. Aerith, Last Ancient — When Copycrook is in the graveyard, Aerith, Last Ancient can bring it back

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

anything goes to a graveyard — 7,589 cards in the game can cause this (Copycrook is one).

When Copycrook hits the graveyard:

1. The Haunt of Hightower — puts a +1/+1 counter on itself
2. Duskmantle Guildmage — makes each opponent lose 1 life

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

a creature is cast — 18,010 cards in the game can cause this (Copycrook is one).

1. Bloodbond March — When Copycrook is cast, Bloodbond March brings a card back

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

a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Copycrook is one).

1. Samwise Gamgee — When Copycrook enters, Samwise Gamgee makes a token

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

a creature enters the battlefield — 19,800 cards in the game can cause this (Copycrook is one).

1. Colossal Grave-Reaver — When Colossal Grave-Reaver enters because Copycrook copies it, its ability triggers again
2. Unshakable Tail — When Unshakable Tail enters because Copycrook copies it, its ability triggers again
3. Dreadhound — When Dreadhound enters because Copycrook copies it, its ability triggers again
4. Quantum Riddler — When Quantum Riddler enters because Copycrook copies it, its ability triggers again
5. Fire Nation Salvagers — When Fire Nation Salvagers enters because Copycrook copies it, its ability triggers again
6. Author of Shadows — When Author of Shadows enters because Copycrook copies it, its ability triggers again
7. Rooting Moloch — When Rooting Moloch enters because Copycrook copies it, its ability triggers again
8. Landscaper Colos — When Landscaper Colos enters because Copycrook copies it, its ability triggers again
9. Cavalier of Thorns — When Cavalier of Thorns enters because Copycrook copies it, its ability triggers again
10. Crabomination — When Crabomination enters because Copycrook copies it, its ability triggers again

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

anything enters the battlefield — 26,499 cards in the game can cause this (Copycrook is one).

1. Sidisi, Brood Tyrant — When Sidisi, Brood Tyrant enters because Copycrook copies it, its ability triggers again
2. Thor, God of Thunder — When Thor, God of Thunder enters because Copycrook copies it, its ability triggers again
3. The Reaper, King No More — When The Reaper, King No More enters because Copycrook copies it, its ability triggers again

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