edhseer Commander synergy, explained
Creature — Goblin Shaman
Mana cost: {3}{B}
At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with this creature, you may reveal it. If you do, each opponent discards a card.
triggered —
Causes: discard a card.
Cares about: an upkeep.
a Shaman creature enters the battlefield — 539 cards in the game can cause this (Squeaking Pie Grubfellows is one).
a Goblin attacks — 567 cards in the game can cause this (Squeaking Pie Grubfellows is one).
When Squeaking Pie Grubfellows attacks:
a Goblin deals combat damage — 567 cards in the game can cause this (Squeaking Pie Grubfellows is one).
When Squeaking Pie Grubfellows deals combat damage:
a Goblin enters the battlefield — 622 cards in the game can cause this (Squeaking Pie Grubfellows is one).
When Squeaking Pie Grubfellows enters:
a card is discarded — 2,042 cards in the game can cause this (Squeaking Pie Grubfellows is one).
When a permanent makes a player discard a card thanks to Squeaking Pie Grubfellows:
51 other cards care about it too. These are the ones with the most connections.
a card in a graveyard — 7,589 cards in the game can cause this (Squeaking Pie Grubfellows is one).
434 other cards care about it too. These are the ones with the most connections.
anything goes to a graveyard — 7,589 cards in the game can cause this (Squeaking Pie Grubfellows is one).
When a card hits the graveyard thanks to Squeaking Pie Grubfellows:
5 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 (Squeaking Pie Grubfellows is one).
When Squeaking Pie Grubfellows attacks:
118 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 (Squeaking Pie Grubfellows is one).
When Squeaking Pie Grubfellows attacks:
194 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 (Squeaking Pie Grubfellows is one).
29 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Squeaking Pie Grubfellows is one).
32 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 (Squeaking Pie Grubfellows is one).
When Squeaking Pie Grubfellows enters:
350 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 (Squeaking Pie Grubfellows is one).
59 other cards care about it too. These are the ones with the most connections.