edhseer Commander synergy, explained
Legendary Sorcery
Mana cost: {X}{G}{G}
(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)
Look at the top X cards of your library. You may put any number of land and/or legendary permanent cards with mana value X or less from among them onto the battlefield. Put the rest into your graveyard.
on-cast —
on-cast — mills a card
Causes: put a land onto the battlefield, mill a card.
Cares about: nothing.
a land enters the battlefield — 1,560 cards in the game can cause this (Kamahl's Druidic Vow is one).
When a land enters thanks to Kamahl's Druidic Vow:
199 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 (Kamahl's Druidic Vow is one).
When Kamahl's Druidic Vow is cast:
429 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 (Kamahl's Druidic Vow is one).
Kamahl's Druidic Vow puts cards into the graveyard that:
442 other cards care about it too. These are the ones with the most connections.