edhseer Commander synergy, explained
Creature — Human Soldier
Mana cost: {1}{W}{W}
Ward {1}
If it's neither day nor night, it becomes day as this creature enters.
Whenever day becomes night or night becomes day, look at the top four cards of your library. You may reveal a creature card with mana value 3 or less from among them and put it into your hand. Put the rest on the bottom of your library in any order.
triggered — searches a library
Causes: nothing.
Cares about: nothing.
a Soldier creature enters the battlefield — 1,279 cards in the game can cause this (Gavony Dawnguard is one).
a Human enters the battlefield — 4,639 cards in the game can cause this (Gavony Dawnguard is one).
When Gavony Dawnguard enters:
2 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 (Gavony Dawnguard is one).
When Gavony Dawnguard attacks:
112 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 (Gavony Dawnguard is one).
When Gavony Dawnguard attacks:
182 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 (Gavony Dawnguard is one).
When Gavony Dawnguard blocks:
19 other cards care about it too. These are the ones with the most connections.
a nontoken creature attacks — 17,934 cards in the game can cause this (Gavony Dawnguard is one).
When Gavony Dawnguard attacks:
a creature deals combat damage — 17,934 cards in the game can cause this (Gavony Dawnguard is one).
When Gavony Dawnguard deals combat damage:
195 other cards care about it too. These are the ones with the most connections.
a creature is cast — 18,010 cards in the game can cause this (Gavony Dawnguard is one).
When Gavony Dawnguard is cast:
85 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 (Gavony Dawnguard is one).
When Gavony Dawnguard enters:
303 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 (Gavony Dawnguard is one).
41 other cards care about it too. These are the ones with the most connections.