You must then build a 100 card deck (including the Commander), but with a couple caveats: You may have no more than 1 copy of a given card in your deck (excluding basic lands) All cards in your deck must only contain mana symbols and colors matching your commanders color identity The Commander rules committee already has a rules document that clarifies all the specifics for how to play, so I wont bore you with any further rehashing here
You can even use Brigid, Douns Minds ability and then transform her back into Clachans Heart when that interests you
Cards in your sideboard can sometimes be accessed during the game, including game one, by using mechanics which search for them outside the game such as Learn
The other four have creatures that enter and draw a card, or have card draw as a passive effect, or have an activated card-drawing ability
P0003: Go For The Throat (November 15th 2024 January 30th 2025) Allowing players to destroy any target nonartifact creature, Go For The Throat is a Black Instant that costs 1 Black and 1 colorless Mana to play