Having a stable mana base is essential if you want to do multicoloured strategies, and the only way that works is with fetch lands
Its not even the first time that Impact Tremors had a Secret Lair appearance, meaning that players who want to bling out their deck already have a choice
Toothy, Imaginary Friend and Pir, Imaginative Rascal fit right into the theme as well (although Pir is a Human and cant be mutated)
Tidehollow Strix and Deathgaze Cockatrice try to keep my opponents from just jamming creatures against me
In game 1 against Supreme Verdict decks, it can handle Elspeth tokens in a pinch, but it is downright bad against Jund Monsters
The best way to do so is to pick up one of the Lorcana Starter Decks, which includes exactly the right number of cards, and each of those cards only belongs to either of two of the ink colours