You're not allowed to mix up the cards that represent them on the battlefield in order to confuse other players
Trynn & Silvar allow you to play tribal, hatebears, Voltron, aggro, tokens, and aristocrats all in the same deck and it plays them all very well
Each Prerelease Pack contains the following : 6 Magic: The Gathering Foundations Play Boosters 1 Traditional foil year-stamped rare or mythic rare Foundations promo card 1 MTG Arena code card (available only in select regions) 1 Card storage box 1 Spindown life counter in 5 possible variations (shown above) Foundations releases November 15, 2024, with products available for preorder now from your local game store, online at retailers like Amazon, and elsewhere Magic: The Gathering products are sold.
A deck like this can be very vulnerable to Chandra, Flamecaller
Even if the highest potential for a card (its ceiling) is capped, it can have a high enough baseline (its floor) to make it consistently powerful