The colours of the decks basically indicate their play style
On MTG: Arena if you crafted a copy for a prior set, you can use that card again if it re-enters Standard
By playing your own walkers you can take advantage of the downside and destroy the world heavily in your favour board position wise

$10.99 Winnowing (0382 - Japan Showcase) Lorwyn Eclipsed Variants $74.99 Bloom Tender (0390 - Japan Showcase) Lorwyn Eclipsed Variants $7.49 Eirdu, Carrier of Dawn (0286 - Borderless) Lorwyn Eclipsed Variants $2.79 Ashling, Rekindled (0290 - Borderless) Lorwyn Eclipsed Variants $7.99 Glen Elendra Guardian (0383 - Japan Showcase) Lorwyn Eclipsed Variants $8.99 Bloodline Bidding (0385 - Japan Showcase) Lorwyn Eclipsed Variants $32.99 Chronicle of Victory (0346 - Showcase) Lorwyn Eclipsed Variants $8.99 Vibrance (0295 - Borderless) Lorwyn Eclipsed Variants $11.99 Spinerock Tyrant (0389 - Japan Showcase) Lorwyn Eclipsed Variants $13.99 Selfless Safewright (0391 - Japan Showcase) Lorwyn Eclipsed Variants $14.99 Temple Garden (0351 - Borderless Reversible) Lorwyn Eclipsed Variants $11.99 Harmonized Crescendo (0384 - Japan Showcase) Lorwyn Eclipsed Variants 0 results found
10 Comet, Stellar Pup Fetch
Ponies: The Gathering 2 features Pinkie Pie, Fluttershy, Applejack, and Rainbow Dash as silver bordered cards that break the rules of Magic: The Gathering