edhseer Commander synergy, explained
Legendary Creature — Halfling Horror
Mana cost: {1}{B}
Whenever Gollum attacks, look at the top two cards of your library, put them back in any order, then choose land or nonland. An opponent guesses whether the top card of your library is the chosen kind. Reveal that card. If they guessed right, remove Gollum from combat. Otherwise, you draw a card and Gollum can't be blocked this turn.
triggered — sets the top of a library
triggered — draws you 1 card
triggered — restricts what can block it
Causes: draw a card.
Cares about: nothing.
a card is drawn — 789 cards in Gollum's colors can cause this (Gollum is one).
When Gollum, Scheming Guide makes a player draw a card:
10 other cards care about it too. These are the ones with the most connections.
a creature attacks — 3,478 cards in Gollum's colors can cause this (Gollum is one).
When Gollum, Scheming Guide attacks:
45 other cards care about it too. These are the ones with the most connections.
anything attacks — 3,478 cards in Gollum's colors can cause this (Gollum is one).
When Gollum, Scheming Guide attacks:
6 other cards care about it too. These are the ones with the most connections.
a creature blocks — 3,478 cards in Gollum's colors can cause this (Gollum is one).
When Gollum, Scheming Guide blocks:
3 other cards care about it too. These are the ones with the most connections.
a creature deals combat damage — 3,478 cards in Gollum's colors can cause this (Gollum is one).
61 other cards care about it too. These are the ones with the most connections.
a creature is cast — 3,493 cards in Gollum's colors can cause this (Gollum is one).
When Gollum, Scheming Guide is cast:
8 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 3,680 cards in Gollum's colors can cause this (Gollum is one).
a creature enters the battlefield — 3,967 cards in Gollum's colors can cause this (Gollum is one).
When Gollum, Scheming Guide enters:
37 other cards care about it too. These are the ones with the most connections.