Sigil Tracer

a sorcery is copied — 83 cards in the game can cause this (Sigil Tracer is one).

When an instant is copied thanks to Sigil Tracer:

1. Extus, Oriq Overlord // Awaken the Blood Avatar — brings a card back
2. Storm-Kiln Artist — makes a token
3. Professor Onyx — makes each opponent lose 2 life
4. Zaffai, Thunder Conductor — scries
5. Deekah, Fractal Theorist — makes a token
6. Elemental Expressionist — grants a keyword
7. Sedgemoor Witch — makes a token
8. Witherbloom Apprentice — makes each opponent lose 1 life
9. Jadzi, Oracle of Arcavios // Journey to the Oracle — puts a creature, artifact, enchantment, instant, sorcery, planeswalker or battle onto the battlefield
10. Ashling, Flame Dancer — draws and discards

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

an instant is copied — 87 cards in the game can cause this (Sigil Tracer is one).

1. Kalamax, the Stormsire — When an instant is copied thanks to Sigil Tracer, Kalamax, the Stormsire puts a +1/+1 counter on itself

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

a Merfolk deals combat damage — 386 cards in the game can cause this (Sigil Tracer is one).

1. Seafloor Oracle — When Sigil Tracer deals combat damage, Seafloor Oracle draws you 1 card

a Merfolk enters the battlefield — 397 cards in the game can cause this (Sigil Tracer is one).

When Sigil Tracer enters:

1. Forerunner of the Heralds — puts a +1/+1 counter on itself
2. Deeproot Elite — puts a counter on a Merfolk
3. River Sneak — gets +1/+1

a nontoken Wizard enters the battlefield — 1,243 cards in the game can cause this (Sigil Tracer is one).

1. Inalla, Archmage Ritualist — When Sigil Tracer enters, Inalla, Archmage Ritualist makes a token

a Wizard creature enters the battlefield — 1,264 cards in the game can cause this (Sigil Tracer is one).

1. Diviner's Wand — When Sigil Tracer enters, Diviner's Wand triggers

anything attacks — 17,934 cards in the game can cause this (Sigil Tracer is one).

When Sigil Tracer attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Temmet, Naktamun's Will — draws you 1 card
3. Grim Javelineer — gives +1/+0
4. Invisible Woman — triggers
5. Caesar, Legion's Emperor — sacrifices a creature
6. Guide of Souls — triggers
7. Campsite Cuisine — sacrifices a Food
8. Gossip's Talent — triggers
9. Banon, the Returners' Leader — draws and discards
10. Toph, Earthbending Master — puts a counter on a permanent

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

a creature attacks — 17,934 cards in the game can cause this (Sigil Tracer is one).

When Sigil Tracer attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Kindred Discovery — draws you 1 card
4. Invasion of New Capenna // Holy Frazzle-Cannon — puts counters on a permanent
5. Chorale of the Void — brings a card back
6. Anim Pakal, Thousandth Moon — puts a +1/+1 counter on itself
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. Total War — kills a creature

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

a creature blocks — 17,934 cards in the game can cause this (Sigil Tracer is one).

When Sigil Tracer blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Carnage Gladiator — makes a player lose 1 life
3. Barrow-Blade — strips abilities
4. Heat of Battle — deals 1 damage
5. Battle Strain — deals 1 damage
6. Favor of the Woods — gains you 3 life
7. Tide of War — sacrifices a creature
8. Dead-Iron Sledge — kills a creature
9. Dwindle — kills a creature
10. Shield of the Righteous — triggers

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

a nontoken creature attacks — 17,934 cards in the game can cause this (Sigil Tracer is one).

When Sigil Tracer attacks:

1. Mardu Ascendancy — makes a token
2. Basri Ket — makes a token
3. Militia's Pride — makes a token

a creature deals combat damage — 17,934 cards in the game can cause this (Sigil Tracer is one).

When Sigil Tracer deals combat damage:

1. Locutus of Borg — makes a token
2. Antagonist Incorporator — makes a token
3. Hive Mind Coprocessor — makes you lose life

195 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 (Sigil Tracer is one).

When Sigil Tracer enters:

1. Slash, Reptile Rampager — deals 2 damage
2. Ray Fillet, Wave Warrior — puts a counter on itself
3. The Neutrinos — gets +1/+0
4. Wingnut, Bat on the Belfry — grants flying, haste and menace
5. Aetherstorm Roc — puts a counter on a permanent you control
6. Raphael, Most Attitude — exiles a card from your library

310 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 (Sigil Tracer is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Sigil Tracer enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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