Whenever you cast an artifact creature spell, it gains sunburst. (It enters with a +1/+1 counter on it for each color of mana spent to cast it.)
At the beginning of your end step, if there are thirty or more counters among artifacts and creatures you control, this artifact deals 10 damage to each opponent.
Legalities
tlrnot legal
duellegal
brawlnot legal
pennynot legal
PreDHnot legal
Rulings · 2
wotc
Lux Artillery's last ability will check if there are thirty or more counters among artifacts and creatures you control as your end step begins. If there aren't, the ability won't trigger at all. If there are, the ability will check again as it tries to resolve. If the number of counters among artifacts and creatures you control has fallen below thirty, the ability won't do anything.
wotc
If the artifact creature already has sunburst (or if you control multiple copies of Lux Artillery), each instance of sunburst works separately.
Notes
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