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For 1 extra white mana, whatever wacky combo you set up is totally protected from instant-speed interaction just make sure you havent left any valuable pieces on the board to be Murdered before your Silence resolves
While 1/1 Birds and 2/2 Knights will occasionally be what your deck wants to get the job done, the real power in the populate mechanic is making 3/3 Centaurs
The problem comes in the form of finding Translocator, which the deck cant really do well
Toss in a card with an effect that triggers when a creature dies, like Blood Artist, and youll be drawing cards, dealing damage, and surveilling all for maximum value
You could even get tricky and not play a sacrifice outlet, opting instead for Pandemonium