Derevi lets you tap or untap any permanent when a creature you control deals combat damage to a player, which is great for Najeela since she makes more creatures with every attack, and has that five mana extra combat ability
If you wanna get fancy there are some other supplies that will make your proxies prettier or nicer to hold, but those are the basics
--- If you'd like, I can also: - Suggest upgrades (budget or optimized), - Tune it toward combo-heavy, - Or build a stronger Shadowborn Apostle demon package
A reminder: each account can only redeem one prerelease exclusive code, regardless of how many you actually attend, so share the love
Swampwalk is the most reliable since people play Urborg we saw above, and give themselves and everyone else Swamps