standard
future
historic
gladiator
pioneer
explorer
modern
legacy
pauper
vintage
penny
commander
brawl
alchemy
paupercommander
duel
oldschool
premodern
Rulings
Can never affect the colored part of the cost.
The generic X cost is still considered generic even if there is a requirement that a specific color be used for it. For example, “only black mana can be spent this way”. This distinction is important for effects which reduce the generic portion of a spell’s cost.
The lower cost is not optional like with some other cost reducers.
The effect is cumulative.
This can lower the cost to zero, but not below zero.
If this card is sacrificed to pay part of a spell’s cost, the cost reduction still applies.
The generic X cost is still considered generic even if there is a requirement that a specific color be used for it. For example, “only black mana can be spent this way”. This distinction is important for effects which reduce the generic portion of a spell’s cost.
The lower cost is not optional like with some other cost reducers.
The effect is cumulative.
This can lower the cost to zero, but not below zero.
If this card is sacrificed to pay part of a spell’s cost, the cost reduction still applies.
Rulings
Can never affect the colored part of the cost.
The generic X cost is still considered generic even if there is a requirement that a specific color be used for it. For example, “only black mana can be spent this way”. This distinction is important for effects which reduce the generic portion of a spell’s cost.
The lower cost is not optional like with some other cost reducers.
The effect is cumulative.
This can lower the cost to zero, but not below zero.
If this card is sacrificed to pay part of a spell’s cost, the cost reduction still applies.
The generic X cost is still considered generic even if there is a requirement that a specific color be used for it. For example, “only black mana can be spent this way”. This distinction is important for effects which reduce the generic portion of a spell’s cost.
The lower cost is not optional like with some other cost reducers.
The effect is cumulative.
This can lower the cost to zero, but not below zero.
If this card is sacrificed to pay part of a spell’s cost, the cost reduction still applies.
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