Thranduil, the Elvenking

an Elf attacks — 594 cards in Thranduil's colors can cause this (Thranduil is one).

When Thranduil, the Elvenking attacks:

1. Celeborn the Wise — scries
2. Tyvar the Bellicose — grants deathtouch
3. Harald Unites the Elves — shrinks a creature by -1/-1
4. Arboreal Alliance — triggers

a nontoken Elf enters the battlefield — 599 cards in Thranduil's colors can cause this (Thranduil is one).

1. Wirewood Hivemaster — When Thranduil, the Elvenking enters, Wirewood Hivemaster makes a token

an Elf it boosts — 607 cards in Thranduil's colors can cause this.

1. Pride of the Perfect — Pride of the Perfect gives Thranduil, the Elvenking bigger stats

606 other cards cause it too. These are the ones with the most connections.

an Elf enters the battlefield — 619 cards in Thranduil's colors can cause this.

1. Wolverine Riders — When Thranduil, the Elvenking enters, Wolverine Riders gains you its toughness life
2. Elvish Warmaster — When Thranduil, the Elvenking enters, Elvish Warmaster makes a token
3. Elvish Vanguard — When Thranduil, the Elvenking enters, Elvish Vanguard puts a +1/+1 counter on itself
4. Marwyn, the Nurturer — When Thranduil, the Elvenking enters, Marwyn, the Nurturer puts a +1/+1 counter on itself
5. Woodland Weavemaster — When Thranduil, the Elvenking enters, Woodland Weavemaster gets +1/+1
6. Ayara, First of Locthwain — When Ayara, First of Locthwain enters, Thranduil, the Elvenking draws you 2 cards
7. Lonis, Genetics Expert — When Lonis, Genetics Expert enters, Thranduil, the Elvenking draws you 2 cards
8. Ezuri, Claw of Progress — When Ezuri, Claw of Progress enters, Thranduil, the Elvenking draws you 2 cards
9. Selvala, Heart of the Wilds — When Selvala, Heart of the Wilds enters, Thranduil, the Elvenking draws you 2 cards
10. Elrond, Lord of Rivendell — When Elrond, Lord of Rivendell enters, Thranduil, the Elvenking draws you 2 cards
11. Lonis, Cryptozoologist — When Lonis, Cryptozoologist enters, Thranduil, the Elvenking draws you 2 cards
12. Varis, Silverymoon Ranger — When Varis, Silverymoon Ranger enters, Thranduil, the Elvenking draws you 2 cards
13. Krydle of Baldur's Gate — When Krydle of Baldur's Gate enters, Thranduil, the Elvenking draws you 2 cards
14. Gwenna, Eyes of Gaea — When Gwenna, Eyes of Gaea enters, Thranduil, the Elvenking draws you 2 cards
15. Momir Vig, Simic Visionary — When Momir Vig, Simic Visionary enters, Thranduil, the Elvenking draws you 2 cards
16. High Perfect Morcant — When Thranduil, the Elvenking enters, High Perfect Morcant puts a counter on a permanent an opponent controls
17. Maralen, Fae Ascendant — When Thranduil, the Elvenking enters, Maralen, Fae Ascendant exiles a card from an opponent's library

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

a card is discarded — 1,266 cards in Thranduil's colors can cause this (Thranduil is one).

When Thranduil, the Elvenking makes a player discard a card:

1. Containment Construct — brings a card back
2. Moonstone, Harsh Mistress — brings a card back
3. Lazotep Chancellor — puts 2 counters on a Zombie or Army
4. Scrounging Skyray — puts that many +1/+1 counters on itself
5. Archfiend of Ifnir — puts a counter on a creature
6. Tinybones, Pocket Nuisance — deals 1 damage
7. Curator of Mysteries — scries
8. Horror of the Broken Lands — gets +2/+1
9. Currency Converter — exiles it
10. Hostile Investigator — triggers

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

a card is drawn — 2,550 cards in Thranduil's colors can cause this (Thranduil is one).

When Thranduil, the Elvenking makes a player draw a card:

1. Aether Syphon — mills a card
2. Starving Revenant — makes each opponent lose 1 life
3. Diviner's Wand — gets +1/+1
4. Ominous Seas — puts a foreshadow counter on itself
5. Iron Man, Armored Avenger — puts a counter on a creature
6. The Astonishing Ant-Man — puts a +1/+1 counter on itself
7. Psychosis Crawler — makes each opponent lose 1 life
8. Lyla, Holographic Assistant — puts a counter on a creature
9. Data, New Life — puts a +1/+1 counter on itself
10. Chasm Skulker — puts a +1/+1 counter on itself

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

a card in a graveyard — 4,810 cards in Thranduil's colors can cause this (Thranduil is one).

Thranduil, the Elvenking puts cards into the graveyard that:

1. Bloodbond March — can bring back
2. Gale, Waterdeep Prodigy — can bring back
3. Transplant Theorist — can bring back
4. Heart-Shaped Herb — can bring back
5. Rescue from the Underworld — can bring back
6. Victimize — can bring back
7. Bound // Determined — can bring back
8. Tergrid, God of Fright // Tergrid's Lantern — can bring back
9. Sivriss, Nightmare Speaker — can bring back
10. Emet-Selch, Unsundered // Hades, Sorcerer of Eld — can bring back

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

anything goes to a graveyard — 4,810 cards in Thranduil's colors can cause this (Thranduil is one).

When a card hits the graveyard thanks to Thranduil, the Elvenking:

1. Quest for Ancient Secrets — puts a quest counter on itself
2. Planar Void — hits a graveyard
3. Measure of Wickedness — gives an opponent control of itself
4. Energy Field — sacrifices itself

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

a creature attacks — 9,732 cards in Thranduil's colors can cause this (Thranduil is one).

When Thranduil, the Elvenking attacks:

1. Adaptive Omnitool — searches a library
2. Kindred Discovery — draws you 1 card
3. Chorale of the Void — brings a card back
4. Saw — sacrifices a creature
5. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
6. Ultima Weapon — kills a creature an opponent controls

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

anything attacks — 9,732 cards in Thranduil's colors can cause this (Thranduil is one).

When Thranduil, the Elvenking attacks:

1. Grim Javelineer — gives +1/+0
2. ED-E, Lonesome Eyebot — puts a quest counter on itself
3. Fire Navy Trebuchet — makes a token
4. Campsite Cuisine — sacrifices a Food
5. Gossip's Talent — triggers
6. Toph, Earthbending Master — puts a counter on a permanent

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

a creature enters the battlefield — 10,785 cards in Thranduil's colors can cause this (Thranduil is one).

When Thranduil, the Elvenking enters:

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

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