edhseer Commander synergy, explained
Artifact — Book
Mana cost: {5}{U}{U}
Exile target instant or sorcery card from a graveyard. Roll a d20. Activate only as a sorcery.
activated {T} — hits a graveyard
activated {T} —
1—9 | Copy that card. You may cast the copy.
static — copies a permanent
static —
10—19 | Copy that card. You may cast the copy by paying {1} rather than paying its mana cost.
static — copies a permanent
static —
20 | Copy each card exiled with this artifact. You may cast any number of the copies without paying their mana costs.
static — copies a permanent
static —
Causes: exile an instant, exile a sorcery, an instant leaves a graveyard, a sorcery leaves a graveyard, roll a die, copy anything, cast anything, copy an artifact.
Cares about: nothing.
a die is rolled — 88 cards in the game can cause this (Wizard's Spellbook is one).
When Wizard's Spellbook rolls a die:
anything is exiled — 2,497 cards in the game can cause this (Wizard's Spellbook is one).
an artifact is cast — 3,683 cards in the game can cause this (Wizard's Spellbook is one).
When Wizard's Spellbook is cast:
271 other cards care about it too. These are the ones with the most connections.
a nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Wizard's Spellbook is one).
When Wizard's Spellbook enters:
an artifact enters the battlefield — 4,643 cards in the game can cause this (Wizard's Spellbook is one).
When Wizard's Spellbook enters:
55 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 (Wizard's Spellbook is one).
When Wizard's Spellbook enters:
38 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 (Wizard's Spellbook is one).
When Wizard's Spellbook is cast:
10 other cards care about it too. These are the ones with the most connections.