The Royal Scions

a planeswalker it grants abilities to — 312 cards in the game can cause this.

1. Ichormoon Gauntlet — Ichormoon Gauntlet gives The Royal Scions an extra ability
2. Way of the Cryomancer — Way of the Cryomancer gives The Royal Scions an extra ability
3. Way of the Pyromancer — Way of the Pyromancer gives The Royal Scions an extra ability
4. Way of the Warlord — Way of the Warlord gives The Royal Scions an extra ability

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

a planeswalker is cast — 361 cards in the game can cause this (The Royal Scions is one).

When The Royal Scions is cast:

1. Jaya's Phoenix — returns itself from the graveyard
2. Interplanar Beacon — gains you 1 life
3. Defiler of Instinct — deals 1 damage
4. Defiler of Dreams — draws you 1 card
5. Primeval Bounty — puts 3 counters on a creature
6. Tetsuko Umezawa, Pursuer — gets +1/+1
7. Thor, God of Thunder — deals that spell's mana value damage
8. Krile Baldesion — brings a card back
9. Summon: Good King Mog XII — makes a token
10. Blood Funnel — sacrifices a creature

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

a planeswalker enters the battlefield — 366 cards in the game can cause this (The Royal Scions is one).

When The Royal Scions enters:

1. Builder's Talent — puts a counter on a creature
2. Brainstealer Dragon — makes a player lose life equal to its mana value
3. Cloudstone Curio — triggers

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

a card is discarded — 2,042 cards in the game can cause this (The Royal Scions is one).

When The Royal Scions makes a player discard a card:

1. Ivora, Insatiable Heir — puts a +1/+1 counter on itself
2. Cool but Rude — deals 2 damage
3. Containment Construct — brings a card back
4. Moonstone, Harsh Mistress — brings a card back
5. Lazotep Chancellor — puts 2 counters on a Zombie or Army
6. Magmakin Artillerist — deals that much damage
7. Inti, Seneschal of the Sun — exiles a card from your library
8. Pitchstone Wall — sacrifices itself
9. Currency Converter — exiles it
10. Hostile Investigator — triggers

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

anything deals noncombat damage — 3,068 cards in the game can cause this (The Royal Scions is one).

When The Royal Scions deals noncombat damage:

1. Quest for Pure Flame — puts a quest counter on itself
2. Fear of Burning Alive — deals that amount damage
3. Niv-Mizzet, Visionary — draws you that many cards
4. Chandra's Incinerator — deals that much damage
5. Chandra's Pyreling — gets +1/+0
6. Talon of Pain — puts a charge counter on itself
7. Asgardian Inspiration — returns itself from the graveyard
8. Thor, Guardian of Midgard — exiles a card from your library
9. Virtue of Courage // Embereth Blaze — exiles a card from your library

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

life is lost — 3,160 cards in the game can cause this (The Royal Scions is one).

When The Royal Scions makes a player lose life:

1. Far Fortune, End Boss — raises your speed
2. Zahur, Glory's Past — raises your speed
3. Mendicant Core, Guidelight — raises your speed
4. Aether Syphon — raises your speed
5. Vnwxt, Verbose Host — raises your speed
6. Embalmed Ascendant — raises your speed
7. Slick Imitator — raises your speed
8. Oath of Lim-Dûl — sacrifices an enchantment
9. Marina Vendrell's Grimoire — triggers
10. Lich's Mastery — triggers

46 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 (The Royal Scions is one).

When The Royal Scions makes a player draw a card:

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

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

a card in a graveyard — 7,589 cards in the game can cause this (The Royal Scions is one).

1. Samwise Gamgee — The Royal Scions puts cards into the graveyard that Samwise Gamgee can bring back
2. Bloodbond March — The Royal Scions puts cards into the graveyard that Bloodbond March can bring back
3. Gale, Waterdeep Prodigy — The Royal Scions puts cards into the graveyard that Gale, Waterdeep Prodigy can bring back
4. Harness the Storm — The Royal Scions puts cards into the graveyard that Harness the Storm can bring back
5. Transplant Theorist — The Royal Scions puts cards into the graveyard that Transplant Theorist can bring back
6. Heart-Shaped Herb — The Royal Scions puts cards into the graveyard that Heart-Shaped Herb can bring back
7. Wayward Angel — The Royal Scions fills your graveyard toward the 7 or more cards Wayward Angel needs
8. Rescue from the Underworld — The Royal Scions puts cards into the graveyard that Rescue from the Underworld can bring back

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