Magmatic Core

two generic mana one red mana Enchantment

Cumulative upkeep one generic mana (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

At the beginning of your end step, this enchantment deals X damage divided as you choose among any number of target creatures, where X is the number of age counters on it.

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0.13 $

Foil 0.42 $

8 printings

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Magmatic Core rulings

2019-07-12
You can choose zero targets. In this case, Magmatic Core deals no damage.
2006-07-15
The damage is divided when Magmatic Core’s ability triggers. Increasing or decreasing the number of age counters on Magmatic Core after the ability triggers but before it resolves has no effect on the amount of damage that’s dealt.
2006-07-15
If Magmatic Core has no age counters on it, the only number of targets the ability can have is zero.
2006-07-15
Each target must be assigned at least 1 damage.

Magmatic Core keyword rules

Cumulative upkeep Rule 702.24

Cumulative upkeep is a triggered ability that imposes an increasing cost on a permanent. “Cumulative upkeep [cost]” means “At the beginning of your upkeep, if this permanent is on the battlefield, put an age counter on this permanent. Then you may pay [cost] for each age counter on it. If you don’t, sacrifice it.” If [cost] has choices associated with it, each choice is made separately for each age counter, then either the entire set of costs is paid, or none of them is paid. Partial payments aren’t allowed.

If a permanent has multiple instances of cumulative upkeep, each triggers separately. However, the age counters are not connected to any particular ability; each cumulative upkeep ability will count the total number of age counters on the permanent at the time that ability resolves.