edhseer Commander synergy, explained
Enchantment
Mana cost: {B}{B}
Whenever an opponent casts a green spell, you may pay {B}{B}. If you do, look at that player's hand and choose a card from it. The player discards that card.
triggered —
Return this enchantment to its owner's hand.
activated {B}{B} — bounce
Causes: discard a card, an enchantment leaves the battlefield.
Cares about: a spell is cast.
a card is discarded — 2,042 cards in the game can cause this (Leshrac's Sigil is one).
When Leshrac's Sigil makes a player discard a card:
51 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 (Leshrac's Sigil is one).
When Leshrac's Sigil is cast:
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 (Leshrac's Sigil is one).
an enchantment enters the battlefield — 3,743 cards in the game can cause this (Leshrac's Sigil is one).
When Leshrac's Sigil enters:
62 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 (Leshrac's Sigil is one).
434 other cards care about it too. These are the ones with the most connections.
anything goes to a graveyard — 7,589 cards in the game can cause this (Leshrac's Sigil is one).
When a card hits the graveyard thanks to Leshrac's Sigil:
2 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 (Leshrac's Sigil is one).
40 other cards care about it too. These are the ones with the most connections.