Shiko and Narset, Unified

a Dragon attacks — 474 cards in the game can cause this (Shiko and Narset is one).

When Shiko and Narset, Unified attacks:

1. Silumgar, the Drifting Death — shrinks a creature by -1/-1
2. Utvara Hellkite — makes a token
3. The Ur-Dragon — draws you that many cards
4. Atarka, World Render — grants double strike
5. Kolaghan, the Storm's Fury — gives +1/+0
6. Invasion of Tarkir // Defiant Thundermaw — deals 2 damage
7. Ojutai, Soul of Winter — taps a creature, artifact, enchantment, planeswalker or battle an opponent controls
8. Dromoka, the Eternal — puts a counter on a permanent

a Dragon deals combat damage — 474 cards in the game can cause this (Shiko and Narset is one).

When Shiko and Narset, Unified deals combat damage:

1. Parapet Thrasher — triggers
2. Broodcaller Scourge — puts a permanent onto the battlefield
3. Zurgo and Ojutai — triggers

a nontoken Dragon enters the battlefield — 484 cards in the game can cause this (Shiko and Narset is one).

When Shiko and Narset, Unified enters:

1. Lathliss, Dragon Queen — makes a token
2. Miirym, Sentinel Wyrm — makes a token

a Dragon enters the battlefield — 524 cards in the game can cause this (Shiko and Narset is one).

When Shiko and Narset, Unified enters:

1. Dragon Tempest — deals damage
2. Bloomvine Regent // Claim Territory — gains you 3 life
3. Sarkhan, Dragon Ascendant — puts a +1/+1 counter on itself
4. Ganax, Astral Hunter — makes a token
5. Scourge of Valkas — deals damage
6. Bladewing's Thrall — returns itself from the graveyard
7. Sarkhan, Soul Aflame — copies a permanent
8. Teeming Dragonstorm — triggers
9. Corroding Dragonstorm — triggers
10. Roiling Dragonstorm — triggers

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

a nontoken Spirit deals combat damage — 725 cards in the game can cause this (Shiko and Narset is one).

1. Millicent, Restless Revenant — When Shiko and Narset, Unified deals combat damage, Millicent, Restless Revenant makes a token

a nontoken Spirit enters the battlefield — 727 cards in the game can cause this (Shiko and Narset is one).

1. Baboon Spirit — When Shiko and Narset, Unified enters, Baboon Spirit makes a token

a Spirit enters the battlefield — 863 cards in the game can cause this (Shiko and Narset is one).

When Shiko and Narset, Unified enters:

1. Mausoleum Wanderer — gets +1/+1
2. Drogskol Cavalry — gains you 2 life
3. Vanguard of the Restless — returns itself from the graveyard
4. Nebelgast Herald — taps a creature an opponent controls

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

When Shiko and Narset, Unified 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. The Locust God — makes a token
5. Starving Revenant — makes each opponent lose 1 life
6. Diviner's Wand — gets +1/+1
7. Ominous Seas — puts a foreshadow counter on itself
8. Dream Trawler — gets +1/+0
9. Iron Man, Armored Avenger — puts a counter on a creature
10. The Astonishing Ant-Man — puts a +1/+1 counter on itself

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

a Human enters the battlefield — 4,639 cards in the game can cause this (Shiko and Narset is one).

When Shiko and Narset, Unified enters:

1. General Kudro of Drannith — hits a graveyard
2. Heronblade Elite — puts a +1/+1 counter on itself
3. Kyler, Sigardian Emissary — puts a +1/+1 counter on itself
4. Thalia's Lieutenant — puts a +1/+1 counter on itself
5. Champion of the Parish — puts a +1/+1 counter on itself
6. Captain of the Mists — untaps itself
7. Erkenbrand, Lord of Westfold — gives +1/+0
8. Beregond of the Guard — gives +1/+1
9. Théoden, King of Rohan — grants double strike
10. Lossarnach Captain — taps a creature an opponent controls

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

anything attacks — 17,934 cards in the game can cause this (Shiko and Narset is one).

When Shiko and Narset, Unified attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Invisible Woman — triggers
3. Caesar, Legion's Emperor — sacrifices a creature
4. Guide of Souls — triggers

120 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 (Shiko and Narset is one).

1. Adaptive Omnitool — When Shiko and Narset, Unified attacks, Adaptive Omnitool searches a library

191 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 (Shiko and Narset is one).

When Shiko and Narset, Unified enters:

1. Slash, Reptile Rampager — deals 2 damage
2. Gimli of the Glittering Caves — puts counters on a permanent
3. Ray Fillet, Wave Warrior — puts a counter on itself
4. Legolas Greenleaf — puts a counter on a permanent
5. Aetherstorm Roc — puts a counter on a permanent you control

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 (Shiko and Narset is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Shiko and Narset, Unified enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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