Engineered Explosives

X generic mana Artifact

Sunburst (This artifact enters with a charge counter on it for each color of mana spent to cast it.)

two generic mana , Sacrifice this artifact: Destroy each nonland permanent with mana value equal to the number of charge counters on this artifact.

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Showing Ultimate Masters#227

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5.08 $

Foil 6.76 $

21 printings · up to 9.12 $

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Engineered Explosives rulings

2020-08-07
You can choose any value for X as you cast Engineered Explosives. The value chosen for X doesn't directly affect the number of charge counters Engineered Explosives enters the battlefield with, but it does let you pay more mana and thus spend more colors of mana to cast it.
2020-08-07
Colorless mana won't give Engineered Explosives another charge counter. Colorless is not a color.
2020-08-07
Tokens that aren't a copy of something else don't have a mana cost. Anything without a mana cost normally has a mana value of 0.
2020-08-07
If a permanent has in its mana cost, X is considered to be 0.

Engineered Explosives keyword rules

Sunburst Rule 702.44

Sunburst is a static ability that functions as an object is entering the battlefield. “Sunburst” means “If this object is entering as a creature, ignoring any type-changing effects that would affect it, it enters with a +1/+1 counter on it for each color of mana spent to cast it. Otherwise, it enters with a charge counter on it for each color of mana spent to cast it.”

Sunburst adds counters only if the object with sunburst is entering the battlefield from the stack as a resolving spell and only if one or more colored mana was spent on its costs, including additional or alternative costs.

Sunburst can also be used to set a variable number for another ability. If the keyword is used in this way, it doesn’t matter whether the ability is on a creature spell or on a noncreature spell.

If an object has multiple instances of sunburst, each one works separately.