edhseer Commander synergy, explained
Instant
Mana cost: {2}{W}{W}
If an opponent controls a Mountain and you control a Plains, you may cast this spell without paying its mana cost.
on-cast —
Prevent all damage that would be dealt this turn to creatures you control.
on-cast —
Causes: cast a spell, prevented creature .
Cares about: nothing.
a spell is cast — 155 cards in the game can cause this (Sivvi's Ruse is one).
When Sivvi's Ruse is cast:
452 other cards care about it too. These are the ones with the most connections.
damage is prevented — 568 cards in the game can cause this (Sivvi's Ruse is one).
When a creature has damage prevented thanks to Sivvi's Ruse:
an instant is cast — 3,931 cards in the game can cause this (Sivvi's Ruse is one).
When Sivvi's Ruse is cast:
427 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 (Sivvi's Ruse is one).
When Sivvi's Ruse is cast:
2 other cards care about it too. These are the ones with the most connections.