Open Communications

anything leaves the battlefield — 1 card in the game can cause this (Open Communications is one).

1. Toothy, Imaginary Friend — When Toothy, Imaginary Friend leaves the battlefield thanks to Open Communications, it draws you cards
2. Electro, Assaulting Battery — When Electro, Assaulting Battery leaves the battlefield thanks to Open Communications, it triggers

anything leaves a graveyard — 2,503 cards in the game can cause this (Open Communications is one).

When Open Communications leaves a graveyard:

1. Blastoneuron — makes each opponent lose 1 life
2. Defiled Crypt // Cadaver Lab — makes a token
3. Teval, the Balanced Scale — makes a token
4. Hologram Stalker — makes a token
5. Tormod, the Desecrator — makes a token
6. Quintorius, Field Historian — makes a token
7. Garrison Excavator — makes a token
8. Amzu, Swarm's Hunger — makes a token
9. Kirol, History Buff // Pack a Punch — becomes prepared
10. Teval's Judgment — triggers

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

a sorcery is cast — 3,720 cards in the game can cause this (Open Communications is one).

When Open Communications is cast:

1. Spellweaver Volute — copies a spell
2. Lilah, Undefeated Slickshot — gets +1/+1
3. Niblis of Frost — gets +1/+1
4. Primeval Bounty — puts 3 counters on a creature
5. Tetsuko Umezawa, Pursuer — gets +1/+1
6. Thor, God of Thunder — deals that spell's mana value damage
7. Krile Baldesion — brings a card back
8. Summon: Good King Mog XII — makes a token
9. Kykar, Wind's Fury — makes a token
10. Blood Funnel — sacrifices a creature

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

a card is drawn — 3,815 cards in the game can cause this (Open Communications is one).

When Open Communications makes a player draw a card:

1. Niv-Mizzet, Parun — deals 1 damage
2. Temmet, Naktamun's Will — gives +1/+1
3. Aether Syphon — mills a card
4. The Locust God — makes a token
5. Starving Revenant — makes each opponent lose 1 life
6. Diviner's Wand — gets +1/+1
7. Ominous Seas — puts a foreshadow counter on itself
8. Dream Trawler — gets +1/+0
9. Iron Man, Armored Avenger — puts a counter on a creature
10. The Astonishing Ant-Man — puts a +1/+1 counter on itself

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

a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Open Communications is one).

When a creature leaves the battlefield thanks to Open Communications:

1. Tokka & Rahzar, Unsupervised — puts a +1/+1 counter on itself
2. Splinter, the Mentor — makes a token
3. Rat King, Pale Piper — makes a token
4. Dual Nature — exiles a creature

a creature leaves the battlefield — 4,238 cards in the game can cause this (Open Communications is one).

1. Lunarch Veteran // Luminous Phantom — When a creature leaves the battlefield thanks to Open Communications, Lunarch Veteran // Luminous Phantom gains you 1 life
2. Extractor Demon — When a creature leaves the battlefield thanks to Open Communications, Extractor Demon mills a card
3. Aang, Airbending Master — When a creature leaves the battlefield thanks to Open Communications, Aang, Airbending Master puts a counter on a permanent
4. Dour Port-Mage — When a creature leaves the battlefield thanks to Open Communications, Dour Port-Mage draws you 1 card
5. Vela the Night-Clad — When a creature leaves the battlefield thanks to Open Communications, Vela the Night-Clad makes each opponent lose 1 life
6. Taeko, the Patient Avalanche — When a creature leaves the battlefield thanks to Open Communications, Taeko, the Patient Avalanche scries
7. Phantasmal Mount — When Phantasmal Mount leaves the battlefield thanks to Open Communications, it triggers
8. Funeral March — When a creature leaves the battlefield thanks to Open Communications, Funeral March makes a player sacrifice a creature
9. Sally Sparrow — When a creature leaves the battlefield thanks to Open Communications, Sally Sparrow triggers
10. Aang, at the Crossroads // Aang, Destined Savior — When a creature leaves the battlefield thanks to Open Communications, Aang, at the Crossroads // Aang, Destined Savior triggers

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

anything is cast — 31,128 cards in the game can cause this (Open Communications is one).

When Open Communications is cast:

1. Windrider Wizard — draws you 1 card
2. Relic Amulet — puts a charge counter on itself
3. Rockslide Sorcerer — deals 1 damage
4. Umara Wizard // Umara Skyfalls — grants flying
5. Alania, Divergent Storm — makes an opponent draw 1 card
6. Umara Mystic — gets +2/+0
7. Master of Winds — triggers

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