Well Rested

an Aura enters the battlefield — 1,257 cards in the game can cause this (Well Rested is one).

When Well Rested enters:

1. Tanglespan Lookout — draws you 1 card
2. Chishiro, the Shattered Blade — makes a token

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

life is gained — 2,076 cards in the game can cause this (Well Rested is one).

When Well Rested gains life:

1. Dina, Soul Steeper — makes each opponent lose 1 life
2. Marina Vendrell's Grimoire — draws you that many cards
3. South Wind Avatar — makes each opponent lose 1 life
4. Rodolf Duskbringer — grants indestructible
5. Fiendish Panda — puts a +1/+1 counter on itself
6. Veinwitch Coven — brings a card back
7. Cleric Class — puts a counter on a creature
8. Lich's Mastery — draws you that many cards
9. Wall of Limbs — puts a +1/+1 counter on itself
10. Ratchet, Field Medic // Ratchet, Rescue Racer — triggers

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

an enchantment is cast — 3,673 cards in the game can cause this (Well Rested is one).

When Well Rested is cast:

1. Hallowed Haunting — makes a token
2. Daxos the Returned — puts a counter on a permanent
3. Tatsunari, Toad Rider — makes a token
4. Sythis, Harvest's Hand — gains you 1 life
5. Sigil of the Empty Throne — makes a token
6. Dawnhart Geist — gains you 2 life
7. Herald of the Pantheon — gains you 1 life
8. Kami of Transience — puts a +1/+1 counter on itself
9. Argothian Enchantress — draws you 1 card
10. Mesa Enchantress — draws you 1 card

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

a nontoken enchantment enters the battlefield — 3,691 cards in the game can cause this (Well Rested is one).

1. Historian's Boon — When Well Rested enters, Historian's Boon makes a token

an enchantment enters the battlefield — 3,743 cards in the game can cause this (Well Rested is one).

When Well Rested enters:

1. Calix, Guided by Fate — puts a counter on a creature
2. Elvish Archivist — draws you 1 card
3. Victor, Valgavoth's Seneschal — surveils
4. Strength from the Fallen — gives +X/+X, where X is the number of creature cards in your graveyard
5. Doomwake Giant — shrinks a creature by -1/-1
6. Cacophony Unleashed — turns something into a creature
7. Ghostly Dancers — makes a token
8. Thassa's Devourer — mills a card
9. Killian, Decisive Mentor — taps a creature
10. Thoughtrender Lamia — makes an opponent discard a card

61 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 (Well Rested is one).

When Well Rested makes a player draw a card:

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

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

anything gets a counter — 4,415 cards in the game can cause this (Well Rested is one).

1. All Will Be One — When Well Rested gets a counter, All Will Be One deals that much damage

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