Créature-artefact : phyrexian et construction
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Quand l'Édifice ambulant arrive sur le champ de bataille, vous pouvez payer 2 points de vie. Quand vous faites ainsi, une créature ciblée gagne -1/-1 jusqu'à la fin du tour.
You don't choose a target for Ambulatory Edifice's last ability at the time it triggers. Rather, a second "reflexive" ability triggers when you pay 2 life this way. You choose a target for that ability as it goes on the stack. Each player may respond to this triggered ability as normal.