cards in hand mtg o:"number of your hand" · Scryfall Magic: The Gathering Search The Gathering magic the gathering - How

While it's not recommended for your very first game, you can choose to change your starting hand

Creature - Snake Zopandrel, Hunger Dominus Reach At the beginning of each combat, double the power and toughness of each creature you control until end of turn

My suggestion was a Coat of Arms for Slivers

Much more recently, Wizards created cycling lands that tapped for more than one color of mana

Gatta and Luzzu will prevent damage done to Walking Ballista, and Hardened Scales will mean that any damage done to the Ballista will translate to two new +1/+1 counters instead of one

While I don't think Honored Knight-Captain is an auto-include in equipment decks in Commander, especially if you are playing a lower-bracket deck or a budget build, I think it's a reasonable option for adding multiple bodies to the battlefield to equip to while also potentially finding your best equipment in a given situation