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Conduit d'alimentation)
Non, on ne peut pas faire exactement ce que tu dis : l'entretien cumulatif est une seule capacité déclenchée, on ne peut rien faire entre l'ajout du marqueur et le paiement du coût ou le sacrifice. En revanche, si le permanent en question a déjà un marqueur age, tu peux le retirer avant qu'on ne résoude la capacité déclenchée (et donc tu peux t'arranger pour qu'à chaque fois, il n'y ait qu'un seul marqueur quand tu paie le coût).
502.13. Cumulative Upkeep
502.13a Cumulative upkeep is a triggered ability that imposes an increasing cost on a permanent. “Cumulative upkeep [cost]” means “At the beginning of your upkeep, put an age counter on this permanent, then sacrifice this permanent unless you pay [cost] for each age counter on 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.
Example: A creature has “Cumulative upkeep {W} or {U}” and two age counters on it. When its ability next triggers and resolves, the creature’s controller puts an age counter on it and then may pay {W}{W}{W}, {W}{W}{U}, {W}{U}{U}, or {U}{U}{U} to keep the creature in play.
Example: A creature has “Cumulative upkeep—Sacrifice a creature” and one age counter on it. When its ability next triggers and resolves, its controller can’t choose the same creature to sacrifice twice. Either two different creatures must be sacrificed, or the creature with cumulative upkeep must be sacrificed.
