edhseer Commander synergy, explained
Land
This land enters tapped.
Add {G}, {W}, or {U}.
activated {T} — adds 1 mana
Put this card from your hand onto the battlefield. Activate only as a sorcery.
activated {2}, Return a tapped creature you control to its owner's hand — bounce
activated {2}, Return a tapped creature you control to its owner's hand —
Causes: a creature leaves the battlefield, put anything onto the battlefield.
Cares about: nothing.
a land enters the battlefield — 1,560 cards in the game can cause this (Urban Retreat is one).
When Urban Retreat enters:
199 other cards care about it too. These are the ones with the most connections.
a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Urban Retreat is one).
When a creature leaves the battlefield thanks to Urban Retreat:
a creature leaves the battlefield — 4,238 cards in the game can cause this (Urban Retreat is one).
20 other cards care about it too. These are the ones with the most connections.