Kay, Monster Stalker Legendary Creature- Human Warrior Menace When ~ enters the battlefield, if you have 5 or less cards in your sideboard, you may search your library for a card with converted mana cost 3 or less, reveal it, and put it into your hand. Then shuffle your library. “Never hunt a werewolf without silver.” 2/2
hope this counts
I don't think it does. It specifically mentions deck, so I think sideboard isn't legal, but I might be wrong.
Do you ever feel like procrastination is your brain's way of stopping you from making a mistake?