rainbow cards mtg Rainbow, 3 you get 20% cooler Rainbow Vale | Fallen Empires

These usually cost gold to enter, but allow you to pick cards from a draft with other players, open sealed packs, and then build a smaller-than-normal 40-card deck

You're also preventing actions, items, songs, and locations from being much of a factor unless they're already in your opponent's hand

Not the flashiest threat out there but a surprisingly well suited to task one

1 Bojuka Bog

You can't sacrifice Koma itself to activate its last ability, but you can sacrifice any other Serpent you control, including Koma's Coil

Krishna Equip Artifact - Equipment Dark Knight's Greatsword Job select (When this Equipment enters, create a 1/1 colorless Hero creature token, then attach this to it.) Equipped creature gets +3/+0 and is a Knight in addition to its other types