The Arkenstone // Seek the Heart

an Adventure sorcery is cast — 77 cards in the game can cause this (The Arkenstone is one).

1. Lucky Clover — When The Arkenstone // Seek the Heart is cast, Lucky Clover copies a spell

an artifact is cast — 3,683 cards in the game can cause this (The Arkenstone is one).

When The Arkenstone // Seek the Heart is cast:

1. Mendicant Core, Guidelight — copies a spell
2. Sai, Master Thopterist — makes a token
3. Ravenous Robots — makes a token
4. Pinnacle Emissary — makes a token
5. Mirrodin Besieged — makes a token
6. Poetic Ingenuity — makes a token
7. Digsite Engineer — makes a token
8. Myrsmith — makes a token
9. Riddlesmith — draws you 1 card
10. Dr. Madison Li — puts a counter on a permanent you control

271 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 (The Arkenstone is one).

1. Spellweaver Volute — When The Arkenstone // Seek the Heart is cast, Spellweaver Volute copies a spell

433 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 Arkenstone is one).

1. Niv-Mizzet, Parun — When The Arkenstone // Seek the Heart makes a player draw a card, Niv-Mizzet, Parun deals 1 damage

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

a creature it boosts — 19,392 cards in the game can cause this (The Arkenstone is one).

The Arkenstone // Seek the Heart gives:

1. Pollywog Prodigy — bigger stats
2. Havengul Lich — bigger stats
3. Saheeli, Radiant Creator — bigger stats
4. Captain Jean-Luc Picard — bigger stats
5. Windrider Wizard — bigger stats
6. Master of Winds — bigger stats
7. Sokka, Bold Boomeranger — bigger stats
8. Invisible Woman — bigger stats
9. Rockslide Sorcerer — bigger stats
10. Umara Wizard // Umara Skyfalls — bigger stats

19,382 other cards care about it too. These are the ones with the most connections.