If youre not dealing damage to a player, youre killing many creatures for sure
The Final Fantasy Universes Beyond set chose to represent crystals as a new artifact cycle, which combine useful cost reduction with powerful passive and activated abilities
The Amber/Sapphire deck, called Tactical Teamwork, is a Seven Dwarfs-themed deck with an emphasis on combat tricks and characters that buff each other while in play, as well as some nice item synergy for card draw, healing, and removal
Your intended commander, Inalla, Archmage Ritualist, has a pretty decent eminence ability that allows you to create a token copy of any nontoken wizard you play, so you can hold your ground until you get the game under your control
Notably, a noncreature card on the battlefield that becomes a creature and dies (such as an animated land) won't cause this ability to trigger