Piercing Rays

a creature becomes tapped — 565 cards in the game can cause this (Piercing Rays is one).

When a creature becomes tapped thanks to Piercing Rays:

1. Unctus, Grand Metatect — draws you 1 card
2. Sharae of Numbing Depths — draws you 1 card
3. Rewrite History — draws you 1 card
4. Stinging Licid — deals 2 damage
5. Gideon's Avenger — puts a +1/+1 counter on itself
6. Icewrought Sentry — gets +2/+1
7. Hawkeye's Bow — deals 1 damage
8. Cryoshatter — kills a creature
9. Don't Move — kills a creature
10. Hylda of the Icy Crown — triggers

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

anything becomes tapped — 699 cards in the game can cause this (Piercing Rays is one).

1. Master Pakku — When Master Pakku becomes tapped thanks to Piercing Rays, it mills a card

1 other card cares about it too. These are the ones with the most connections.

a creature is exiled — 1,003 cards in the game can cause this (Piercing Rays is one).

When a creature is exiled thanks to Piercing Rays:

1. Ashnod's Intervention — brings a card back
2. Soulherder — puts a +1/+1 counter on itself

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

anything is exiled — 2,497 cards in the game can cause this (Piercing Rays is one).

1. The War Doctor — When a creature is exiled thanks to Piercing Rays, The War Doctor puts a time counter on itself

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

When Piercing Rays 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 nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Piercing Rays is one).

1. Dual Nature — When a creature leaves the battlefield thanks to Piercing Rays, 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 (Piercing Rays is one).

When a creature leaves the battlefield thanks to Piercing Rays:

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 (Piercing Rays is one).

When Piercing Rays 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.