edhseer Commander synergy, explained
Legendary Creature — Elf Advisor
Mana cost: {W}{B}{G}
Legendary spells you cast cost {1} less to cast.
static — costs 1 less
Until end of turn, each legendary card in your graveyard gains "You may play this card from your graveyard."
activated Exile two legendary cards from your graveyard —
activated Exile two legendary cards from your graveyard — grants a keyword
What a deck led by this card wants
Causes: exile a card, anything leaves a graveyard.
Cares about: a creature it makes cheaper to cast, an artifact it makes cheaper to cast, an enchantment it makes cheaper to cast, a planeswalker it makes cheaper to cast, an instant it makes cheaper to cast, a sorcery it makes cheaper to cast, a battle it makes cheaper to cast.
an Elf attacks — 723 cards in the game can cause this (Kethis is one).
When Kethis, the Hidden Hand attacks:
a nontoken Elf enters the battlefield — 728 cards in the game can cause this (Kethis is one).
an Elf enters the battlefield — 752 cards in the game can cause this (Kethis is one).
When Kethis, the Hidden Hand enters:
anything is exiled — 2,497 cards in the game can cause this (Kethis is one).
anything leaves a graveyard — 2,503 cards in the game can cause this (Kethis is one).
When Kethis, the Hidden Hand leaves a graveyard:
13 other cards care about it too. These are the ones with the most connections.
anything attacks — 17,934 cards in the game can cause this (Kethis is one).
When Kethis, the Hidden Hand attacks:
496 other cards care about it too. These are the ones with the most connections.
a creature attacks — 17,934 cards in the game can cause this (Kethis is one).
When Kethis, the Hidden Hand attacks:
875 other cards care about it too. These are the ones with the most connections.
a creature blocks — 17,934 cards in the game can cause this (Kethis is one).
When Kethis, the Hidden Hand blocks:
139 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 19,800 cards in the game can cause this (Kethis is one).
When Kethis, the Hidden Hand enters:
3,029 other cards care about it too. These are the ones with the most connections.
anything enters the battlefield — 26,499 cards in the game can cause this (Kethis is one).
688 other cards care about it too. These are the ones with the most connections.