Agent of the Shadow Thieves

a creature gets a counter — 542 cards in Agent of the Shadow Thieves's colors can cause this (Agent of the Shadow Thieves is one).

1. Omarthis, Ghostfire Initiate — When a creature gets a counter thanks to Agent of the Shadow Thieves, Omarthis, Ghostfire Initiate puts a counter on a permanent

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

an enchantment is cast — 594 cards in Agent of the Shadow Thieves's colors can cause this (Agent of the Shadow Thieves is one).

When Agent of the Shadow Thieves is cast:

1. Blightcaster — shrinks a creature by -2/-2
2. Defiler of Flesh — gives +1/+1
3. The Fantasticar — turns something into a creature
4. Machine Man, Model X-51 — puts a +1/+1 counter on itself
5. Mai, Scornful Striker — makes a player lose 2 life
6. The Destined Black Mage — deals 1 damage
7. Shambling Cie'th — returns itself from the graveyard
8. Black Mage's Rod — deals 1 damage
9. Blood Funnel — sacrifices a creature
10. The Vision — triggers

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

an enchantment enters the battlefield — 597 cards in Agent of the Shadow Thieves's colors can cause this (Agent of the Shadow Thieves is one).

When Agent of the Shadow Thieves enters:

1. Doomwake Giant — shrinks a creature by -1/-1
2. Cacophony Unleashed — turns something into a creature
3. Grim Guardian — makes each opponent lose 1 life
4. Agent of Erebos — hits a graveyard
5. Dreadbringer Lampads — grants intimidate
6. Dashing Bloodsucker — gets +2/+0
7. Balemurk Leech — makes each opponent lose 1 life
8. Daxos's Torment — turns something into a creature
9. Brainstealer Dragon — makes a player lose life equal to its mana value
10. Thoughtrender Lamia — makes an opponent discard a card

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