Oracle

Enchantment 

At the beginning of your upkeep, if you control an artifact, create a 1/1 colorless Thopter artifact creature token with flying.
Whenever one or more artifact creatures you control deal combat damage to a player, draw a card.

Tournooi-info

Legal in: Vintage, Legacy, Modern, Commander

Officiele rulings

6/22/2015
Thopter Spy Network’s first ability has an “intervening ‘if’ clause.” That means (1) the ability won’t trigger at all unless you control an artifact as your upkeep begins, and (2) the ability will do nothing if you don’t control an artifact as it resolves.

6/22/2015
The last ability will trigger, at most, once per combat damage step. However, if at least one artifact creature you control has first strike and others don’t, or if an artifact creature you control has double strike, the ability could trigger twice per combat: once in each combat damage step.

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