Submerge

a spell is cast — 155 cards in the game can cause this (Submerge is one).

When Submerge is cast:

1. Glaring Fleshraker — makes a token
2. The Kingpin of Crime — drains each opponent
3. Leader's Talent — puts a counter on a creature
4. Nita, Forum Conciliator — puts a counter on a creature
5. Treasury Thrull — drains each opponent
6. Life Insurance — drains each opponent
7. Sorin of House Markov // Sorin, Ravenous Neonate — drains each opponent
8. Syndicate Heavy — drains each opponent
9. Norin the Wary — flickers itself
10. Hunting Grounds — puts a creature onto the battlefield

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

an instant is cast — 3,931 cards in the game can cause this (Submerge is one).

When Submerge is cast:

1. Electro, Assaulting Battery — adds 1 mana
2. Lunar Mystic — draws you 1 card
3. Ojer Pakpatiq, Deepest Epoch // Temple of Cyclical Time — grants rebound
4. Repeated Reverberation — copies an ability
5. Riku of Two Reflections — copies a spell
6. Sword of Wealth and Power — copies a spell
7. Lilah, Undefeated Slickshot — gets +1/+1
8. Gale, Waterdeep Prodigy — brings a card back
9. In the Eye of Chaos — counters a spell
10. Niblis of Frost — taps a creature an opponent controls

427 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 (Submerge is one).

1. Dual Nature — When a creature leaves the battlefield thanks to Submerge, Dual Nature exiles a creature

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

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

When a creature leaves the battlefield thanks to Submerge:

1. Extractor Demon — mills a card
2. Valor of the Worthy — makes a token
3. Traveling Plague — returns itself from the graveyard
4. Funeral March — makes a player sacrifice a creature

25 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 (Submerge is one).

When Submerge is cast:

1. Captain Jean-Luc Picard — makes a token
2. Windrider Wizard — draws you 1 card
3. Sokka, Bold Boomeranger — puts a +1/+1 counter on itself
4. Relic Amulet — puts a charge counter on itself
5. Rockslide Sorcerer — deals 1 damage
6. Umara Wizard // Umara Skyfalls — grants flying
7. Alania, Divergent Storm — makes an opponent draw 1 card
8. Umara Mystic — gets +2/+0
9. Saheeli, Radiant Creator — puts a counter on a permanent you control
10. Master of Winds — triggers

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