edhseer Commander synergy, explained
Land
When this land enters, choose a land card name.
triggered —
Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.
static — strips abilities
Lands with the chosen name have that ability
static — grants a keyword
Add {C}.
activated {T} — adds 1 mana
Add {C}.
activated {T} — adds 1 mana
Causes: nothing.
Cares about: a land it grants abilities to.
a land it grants abilities to — 1,237 cards in the game can cause this (Petrified Hamlet is one).
Petrified Hamlet gives:
1,226 other cards care about it too. These are the ones with the most connections.
a land enters the battlefield — 1,560 cards in the game can cause this (Petrified Hamlet is one).
When Petrified Hamlet enters:
339 other cards care about it too. These are the ones with the most connections.