This can be any nonlegendary rare or mythic rare from the Commander Legends main set, non-foil and in extended art
With Sevinne, the Chronoclasm, you'll be copying a ton of spells
Loki, the Deceiver is a mythic four mana 4/4 who, whenever he attacks, makes a tapped and attacking token copy of another Villain you control
A lot of control decks simply look like things that delay the game as long as possible to land a big Revelation
Like its old Alpha companion Lightning Bolt, Counterspell has stood the test of time as an efficient, flexible piece of interaction
Exiling artifacts and getting rid of enchantments is part of what makes this so devastating, as decks focused on those card types tend to ignore board wipes which mostly hit creatures