If the rumors are true, there are 10 to 15 pre-release Raichu cards in circulation
Competitive Brawl Ajani, Nacatl Pariah // Ajani, Nacatl Avenger Lutri, the Spellchaser Nadu, Winged Wisdom Oko, Thief of Crowns Old Stickfingers Ragavan, Nimble Pilferer Rusko, Clockmaker Tajic, Legion's Valor Tamiyo, Inquisitive Student // Tamiyo, Seasoned Scholar Wrenn and Six Though Competitive Brawl shares many features with its Historic counterpart, like 25 starting life, a commander, and a 99 card deck constrained by the commander's color identity, it has a unique ban list of ten extremely powerful, oppressive commanders
When combined with other effects that prevent their removal, cards like these can become "Hard Lock Pieces" that deterministically prevent your opponent from playing Magic
You crack open that first booster, and you are most hoping to open
Sunstreak Phoenix can alter the day/night cycle and return from the graveyard to the battlefield as days and nights change