edhseer Commander synergy, explained
Land — Swamp
({T}: Add {B}.)
This land enters tapped unless you control three or more other Swamps.
static —
When this land enters untapped, you may put target creature card from your graveyard on top of your library.
triggered — brings a card back
Causes: a creature leaves a graveyard.
Cares about: a creature in a graveyard.
a Swamp enters the battlefield — 63 cards in the game can cause this (Witch's Cottage is one).
When Witch's Cottage enters:
a land it grants abilities to — 1,237 cards in the game can cause this.
1,234 other cards cause it too. These are the ones with the most connections.
a land it boosts — 1,237 cards in the game can cause this.
1,236 other cards cause it too. These are the ones with the most connections.
a creature leaves a graveyard — 1,302 cards in the game can cause this (Witch's Cottage is one).
When a creature leaves a graveyard thanks to Witch's Cottage:
3 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 (Witch's Cottage is one).
When Witch's Cottage enters:
199 other cards care about it too. These are the ones with the most connections.
anything leaves a graveyard — 2,503 cards in the game can cause this (Witch's Cottage is one).
When a creature leaves a graveyard thanks to Witch's Cottage:
13 other cards care about it too. These are the ones with the most connections.
a creature in a graveyard — 2,769 cards in the game can cause this (Witch's Cottage is one).
2,759 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 (Witch's Cottage is one).
17 other cards care about it too. These are the ones with the most connections.