Lux Artillery EOC/140

Set: Edge of Eternities Commander
Collector Code: EOC/140
Name: Lux Artillery
Type: Artifact
Oracle text: 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.
Rarity: Rare