Sydri, Galvanic Genius

an Artificer enters the battlefield — 190 cards in Sydri's colors can cause this (Sydri is one).

1. Inventor's Goggles — When Sydri, Galvanic Genius enters, Inventor's Goggles triggers

a Human enters the battlefield — 2,778 cards in Sydri's colors can cause this (Sydri is one).

When Sydri, Galvanic Genius enters:

1. General Kudro of Drannith — hits a graveyard
2. Thalia's Lieutenant — puts a +1/+1 counter on itself
3. Champion of the Parish — puts a +1/+1 counter on itself
4. Captain of the Mists — untaps itself
5. Beregond of the Guard — gives +1/+1
6. Lossarnach Captain — taps a creature an opponent controls

anything attacks — 9,697 cards in Sydri's colors can cause this (Sydri is one).

When Sydri, Galvanic Genius attacks:

1. Temmet, Naktamun's Will — draws you 1 card
2. Grim Javelineer — gives +1/+0
3. ED-E, Lonesome Eyebot — puts a quest counter on itself
4. Surgical Suite // Hospital Room — puts a counter on a creature
5. Fire Navy Trebuchet — makes a token
6. Madame Web, Clairvoyant — mills a card
7. Apothecary White — makes a token
8. Clavileño, First of the Blessed — turns something into a creature
9. Guide of Souls — triggers
10. Gossip's Talent — triggers

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

a creature attacks — 9,697 cards in Sydri's colors can cause this (Sydri is one).

When Sydri, Galvanic Genius attacks:

1. Adaptive Omnitool — searches a library
2. Kindred Discovery — draws you 1 card
3. Invasion of New Capenna // Holy Frazzle-Cannon — puts counters on a permanent
4. Chorale of the Void — brings a card back
5. Screaming Swarm — mills a card
6. Imperious Mindbreaker — mills a card
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. Super-Soldier Serum — triggers

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

a creature blocks — 9,697 cards in Sydri's colors can cause this (Sydri is one).

When Sydri, Galvanic Genius blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Barrow-Blade — strips abilities
3. Noble Stand — gains you 2 life
4. Battle Cry — gives +0/+1
5. Dead-Iron Sledge — kills a creature
6. Dwindle — kills a creature
7. Shield of the Righteous — triggers

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

a nontoken creature attacks — 9,697 cards in Sydri's colors can cause this (Sydri is one).

When Sydri, Galvanic Genius attacks:

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

a creature deals combat damage — 9,697 cards in Sydri's colors can cause this (Sydri is one).

When Sydri, Galvanic Genius deals combat damage:

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

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

a creature is cast — 9,734 cards in Sydri's colors can cause this (Sydri is one).

When Sydri, Galvanic Genius is cast:

1. Endrek Sahr, Master Breeder — makes that spell's mana value tokens
2. God-Eternal Oketra — makes a token
3. Oketra's Monument — makes a token
4. Skittering Horror — sacrifices itself
5. Skittering Skirge — sacrifices itself
6. Skittering Monstrosity — sacrifices itself
7. Oltec Matterweaver — triggers
8. Pure Reflection — kills a Reflection
9. Abigale, Poet Laureate // Heroic Stanza — becomes prepared
10. Bygone Bishop — triggers

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

a nontoken creature enters the battlefield — 10,080 cards in Sydri's colors can cause this (Sydri is one).

When Sydri, Galvanic Genius enters:

1. Angelic Sell-Sword — makes a token
2. Arni, Humble Scribe — untaps itself
3. Saradoc, Master of Buckland — makes a token
4. Spirit Bonds — makes a token
5. Metastatic Evangel — proliferates
6. Minion Reflector — makes a token
7. Radiant Solar — triggers
8. Anafenza, Kin-Tree Spirit — puts a counter on a permanent

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

a creature enters the battlefield — 10,850 cards in Sydri's colors can cause this (Sydri is one).

When Sydri, Galvanic Genius enters:

1. Ray Fillet, Wave Warrior — puts a counter on itself
2. Aetherstorm Roc — puts a counter on a permanent you control

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

anything enters the battlefield — 15,308 cards in Sydri's colors can cause this (Sydri is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Sydri, Galvanic Genius enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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