edhseer Commander synergy, explained
Instant
Mana cost: {G}{U}
Look at the top four cards of your library. You may put a land card from among them onto the battlefield tapped. If you don't, put a card from among them into your hand. Put the rest on the bottom of your library in a random order.
on-cast —
on-cast — puts cards into your hand
Causes: put a land onto the battlefield.
Cares about: nothing.
a land enters the battlefield — 1,560 cards in the game can cause this (Planar Genesis is one).
When a land enters thanks to Planar Genesis:
199 other cards care about it too. These are the ones with the most connections.
an instant is cast — 3,931 cards in the game can cause this (Planar Genesis is one).
When Planar Genesis is cast:
427 other cards care about it too. These are the ones with the most connections.
anything is cast — 31,128 cards in the game can cause this (Planar Genesis is one).
When Planar Genesis is cast:
5 other cards care about it too. These are the ones with the most connections.