You will gain 3 life instead of 1 if, at the time the ability resolves, you control at least one creature named Power Plant Worker and at least one creature named Tower Worker
Now, the Simic Combine spends their resources creating new - and often frightening - species of creatures that not only survive in the concrete jungles of Ravnica, but thrive
If a player or permanent has more than one kind of counter, please note in the reminder text that proliferate gives another of each kind they already haveyou can't have it get just one kind of counter it already has and not the others
Locke doesnt even need to connect since its an attack trigger, so you can mug your opponents then lead Locke to safety with Maze of Ith or something
Only now they cast [c]Raking Claws[/c] so that it has double strike
Its too situational for your Limited main decks and giving your opponent two Treasure tokens is enough of a drawback to put you off playing it in some situations where you would have been happy with Negate