Boseiju, Who Shelters All
Legendary Land
Boseiju enters tapped.
, Pay 2 life: Add 
. If that mana is spent on an instant or sorcery spell, that spell can't be countered.
From its branches, they keep watch of the comings and goings of the courtyard.
Commander bracket
Derived from card traits, not a ruling — bracket rules turn on how a deck intends to use a card. Bracket rules
EDHREC
Combos
Not part of any combo on Commander Spellbook.
Format legality
Rulings
- 2004-12-01
Suppose mana produced by Boseiju is spent on a spell and an effect creates a copy of that spell. The copy can be countered, even though the original can't.
- 2004-12-01
The spell can't be countered if the mana produced by Boseiju is spent to cover any cost of the spell, even an additional cost such as a splice cost. This is true even if you pay an additional cost while casting a spell "without paying its mana cost."