Archelos, Lagoon Mystic

anything untaps — 1 card in Archelos's colors can cause this (Archelos is one).

1. Tui and La, Moon and Ocean — When Tui and La, Moon and Ocean untaps thanks to Archelos, Lagoon Mystic, it puts a counter on a permanent
2. King Macar, the Gold-Cursed — When King Macar, the Gold-Cursed untaps thanks to Archelos, Lagoon Mystic, it exiles a creature an opponent controls

a permanent untaps — 50 cards in Archelos's colors can cause this (Archelos is one).

When a permanent untaps thanks to Archelos, Lagoon Mystic:

1. Mesmeric Orb — mills a card
2. Wake Thrasher — gets +1/+1

a Turtle it boosts — 104 cards in Archelos's colors can cause this.

1. Turtle Power! — Turtle Power! gives Archelos, Lagoon Mystic bigger stats

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

a Shaman creature enters the battlefield — 252 cards in Archelos's colors can cause this (Archelos is one).

1. Thornbite Staff — When Archelos, Lagoon Mystic enters, Thornbite Staff triggers

a land it applies untap to — 714 cards in Archelos's colors can cause this (Archelos is one).

1. Golden Guardian // Gold-Forge Garrison — Archelos, Lagoon Mystic gives Golden Guardian // Gold-Forge Garrison an extra untap

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

an enchantment it applies untap to — 2,018 cards in Archelos's colors can cause this (Archelos is one).

Archelos, Lagoon Mystic gives:

1. Chalk Outline — an extra untap
2. Sidequest: Hunt the Mark // Yiazmat, Ultimate Mark — an extra untap
3. Song of Eärendil — an extra untap

2,015 other cards care about it too. These are the ones with the most connections.

an artifact it applies untap to — 3,341 cards in Archelos's colors can cause this (Archelos is one).

Archelos, Lagoon Mystic gives:

1. Efficient Construction — an extra untap
2. Hostile Hostel // Creeping Inn — an extra untap
3. Karn, Scion of Urza — an extra untap
4. Robot Domination — an extra untap
5. Teval's Judgment — an extra untap
6. Ulvenwald Mysteries — an extra untap
7. In the Pale Moonlight — an extra untap
8. Vraska, Relic Seeker — an extra untap
9. Age of Ultron — an extra untap
10. Eusocial Engineering — an extra untap

3,331 other cards care about it too. These are the ones with the most connections.

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

When Archelos, Lagoon Mystic attacks:

1. Adaptive Omnitool — searches a library
2. Kindred Discovery — draws you 1 card
3. Chorale of the Void — brings a card back
4. Screaming Swarm — mills a card
5. Imperious Mindbreaker — mills a card
6. Staff of Titania — makes a token
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. Throwing Knife — sacrifices itself

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

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

When Archelos, Lagoon Mystic 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. Madame Web, Clairvoyant — mills a card
5. Bonny Pall, Clearcutter — draws you 1 card
6. Dimir Strandcatcher — surveils
7. Campsite Cuisine — sacrifices a Food
8. Gossip's Talent — triggers
9. Toph, Earthbending Master — puts a counter on a permanent
10. Krydle of Baldur's Gate — triggers

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

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

When Archelos, Lagoon Mystic blocks:

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

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

a creature it applies untap to — 10,530 cards in Archelos's colors can cause this (Archelos is one).

Archelos, Lagoon Mystic gives:

1. Extravagant Replication — an extra untap
2. Urza's Saga — an extra untap
3. Dowsing Dagger // Lost Vale — an extra untap
4. Thopter Spy Network — an extra untap
5. Kaito, Dancing Shadow — an extra untap
6. Metallurgic Summonings — an extra untap
7. Castle Doom — an extra untap
8. Parasitic Implant — an extra untap
9. Mirrodin Besieged — an extra untap
10. Biotransference — an extra untap

10,519 other cards care about it too. These are the ones with the most connections.

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

When Archelos, Lagoon Mystic enters:

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

1,784 other cards care about it too. These are the ones with the most connections.