In the aggregate, the power level of the Flare cards are on par with the Force cycle
Thanks to convoke, you can cast it even when youre tapped out, letting your creatures pay the cost
So just imagine if youre playing Esix, Fractal Bloom, or some other big token maker, and dropping a bunch of creatures each turn
Well, you'll either need to collect the cards from Arena booster packs for the sets they came in, or else directly 'craft' the specific cards you need using MTG Arena Wildcards - effectively tokens you can exchange for the exact Common, Uncommon, Rare, or Mythic Rare card you want, depending on the type of Wildcard
'2-lamog' gained a mass-mill effect in lieu of annihilator, but retained indestructible, giving it the resilience it needs to make the few attacks that inevitably win the game