Thrasios, Triton Hero

a Merfolk deals combat damage — 310 cards in Thrasios's colors can cause this (Thrasios is one).

1. Seafloor Oracle — When Thrasios, Triton Hero deals combat damage, Seafloor Oracle draws you 1 card

a Merfolk enters the battlefield — 319 cards in Thrasios's colors can cause this (Thrasios is one).

When Thrasios, Triton Hero 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

you scry — 221 cards in Thrasios's colors can cause this (Thrasios is one).

When Thrasios, Triton Hero scries:

1. Diviner of Victory // Unwind History — gets +1/+1
2. Celeborn the Wise — makes your creatures bigger
3. Proft, Consulting Detective — puts a +1/+1 counter on itself
4. Matoya, Archon Elder — draws you 1 card
5. Elrond, Master of Healing — puts a counter on a creature
6. Chance-Met Elves — puts a +1/+1 counter on itself
7. Arwen Undómiel — puts a counter on a creature
8. Glorfindel, Dauntless Rescuer — gets +1/+1
9. Galadriel of Lothlórien — puts a land onto the battlefield
10. Elvish Mariner — taps a creature, artifact, enchantment, planeswalker or battle

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

a Wizard creature enters the battlefield — 651 cards in Thrasios's colors can cause this (Thrasios is one).

1. Diviner's Wand — When Thrasios, Triton Hero enters, Diviner's Wand triggers

a card is drawn — 1,895 cards in Thrasios's colors can cause this (Thrasios is one).

When Thrasios, Triton Hero makes a player draw a card:

1. Aether Syphon — mills a card
2. Ominous Seas — puts a foreshadow counter on itself
3. Iron Man, Armored Avenger — puts a counter on a creature
4. The Astonishing Ant-Man — puts a +1/+1 counter on itself
5. Psychosis Crawler — makes each opponent lose 1 life
6. Lyla, Holographic Assistant — puts a counter on a creature
7. Data, New Life — puts a +1/+1 counter on itself
8. Chasm Skulker — puts a +1/+1 counter on itself
9. Nadir Kraken — puts a +1/+1 counter on itself
10. Teferi, Temporal Pilgrim — puts a loyalty counter on itself

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

a creature attacks — 6,391 cards in Thrasios's colors can cause this (Thrasios is one).

When Thrasios, Triton Hero attacks:

1. Adaptive Omnitool — searches a library
2. Kindred Discovery — draws you 1 card
3. Screaming Swarm — mills a card
4. Imperious Mindbreaker — mills a card
5. Staff of Titania — makes a token
6. Fractal Harness — puts counters on a permanent
7. Inquisitorial Rosette — makes a token
8. Saw — sacrifices a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Throwing Knife — sacrifices itself

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

anything attacks — 6,391 cards in Thrasios's colors can cause this (Thrasios is one).

When Thrasios, Triton Hero attacks:

1. ED-E, Lonesome Eyebot — puts a quest counter on itself
2. Madame Web, Clairvoyant — mills a card
3. Bonny Pall, Clearcutter — draws you 1 card
4. Hazardroot Herbalist — gives +1/+0
5. Ranger Class — puts a counter on a creature
6. Campsite Cuisine — sacrifices a Food
7. Gossip's Talent — triggers
8. Toph, Earthbending Master — puts a counter on a permanent
9. Alora, Merry Thief — triggers
10. Twins of Discord — triggers

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

a creature blocks — 6,391 cards in Thrasios's colors can cause this (Thrasios is one).

When Thrasios, Triton Hero blocks:

1. Barrow-Blade — strips abilities
2. Favor of the Woods — gains you 3 life
3. Gift of the Woods — gives +0/+3
4. Noxious Assault — puts a counter on a permanent
5. Ferocity — puts a counter on a permanent
6. Mammoth Harness — grants first strike
7. Dead-Iron Sledge — kills a creature
8. Dwindle — kills a creature

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

a creature is cast — 6,423 cards in Thrasios's colors can cause this (Thrasios is one).

1. Primeval Bounty — When Thrasios, Triton Hero is cast, Primeval Bounty makes a token

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

a creature enters the battlefield — 7,050 cards in Thrasios's colors can cause this (Thrasios is one).

When Thrasios, Triton Hero enters:

1. Ray Fillet, Wave Warrior — puts a counter on itself
2. Legolas Greenleaf — puts a counter on a permanent

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

anything enters the battlefield — 10,540 cards in Thrasios's colors can cause this (Thrasios is one).

1. The Earth King — When The Earth King enters thanks to Thrasios, Triton Hero, it makes a token
2. Mu Yanling, Wind Rider — When Mu Yanling, Wind Rider enters thanks to Thrasios, Triton Hero, it makes a token
3. Ultimecia, Temporal Threat — When Ultimecia, Temporal Threat enters thanks to Thrasios, Triton Hero, it taps a creature an opponent controls
4. Spider-Man 2099, Miguel O'Hara — When Spider-Man 2099, Miguel O'Hara enters thanks to Thrasios, Triton Hero, it triggers

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