means exert this card (or another if specified)
It can definitely be used for an equipment build without any knights, but thatd be no fun
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Generous Pup also has vigilance, which seems unnecessary since it already has a powerful ability, but now you can safely attack with it and keep up blocks as needed
When it dies, you may put its +1/+1 counters on target artifact creature.) Creature Artifact - Soldier Cat Bronze Guardian Double strike Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .) Other artifacts you control have ward