edhseer Commander synergy, explained
Enchantment
Mana cost: {1}{W}
At the beginning of your end step, you may exile target creature card from a graveyard. If you do, create a 1/1 white Spirit creature token with flying. Put a +1/+1 counter on it if the exiled card's mana value is 4 or greater.
triggered — hits a graveyard
triggered — makes a token
triggered — puts a counter on it
Causes: exile a creature, a creature leaves a graveyard, create a Spirit creature token, put a Spirit creature token onto the battlefield, put a counter on anything.
Cares about: an end step.
a Spirit enters the battlefield — 863 cards in the game can cause this (Summoner's Sending is one).
When a Spirit enters thanks to Summoner's Sending:
a creature is exiled — 1,003 cards in the game can cause this (Summoner's Sending is one).
When a creature is exiled thanks to Summoner's Sending:
4 other cards care about it too. These are the ones with the most connections.
a creature leaves a graveyard — 1,302 cards in the game can cause this (Summoner's Sending is one).
12 other cards care about it too. These are the ones with the most connections.
anything is exiled — 2,497 cards in the game can cause this (Summoner's Sending is one).
a creature token enters the battlefield — 2,799 cards in the game can cause this (Summoner's Sending is one).
When a Spirit enters thanks to Summoner's Sending:
a creature token is created — 2,799 cards in the game can cause this (Summoner's Sending is one).
3 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 (Summoner's Sending is one).
When Summoner's Sending 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 (Summoner's Sending is one).
a token enters the battlefield — 3,710 cards in the game can cause this (Summoner's Sending is one).
When a Spirit enters thanks to Summoner's Sending:
3 other cards care about it too. These are the ones with the most connections.
a token is created — 3,711 cards in the game can cause this (Summoner's Sending is one).
When Summoner's Sending makes a Spirit token:
17 other cards care about it too. These are the ones with the most connections.
an enchantment enters the battlefield — 3,743 cards in the game can cause this (Summoner's Sending is one).
When Summoner's Sending enters:
69 other cards care about it too. These are the ones with the most connections.
anything gets a counter — 4,415 cards in the game can cause this (Summoner's Sending is one).
7 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 (Summoner's Sending is one).
When a Spirit enters thanks to Summoner's Sending:
345 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 (Summoner's Sending is one).
35 other cards care about it too. These are the ones with the most connections.