You can mutate Snapdax, Apex of the Hunt onto Phyrexian Crusader for example
Lets apply this concept to a specific example, the Stone Tongue Basilisk deck: 1-cost cards: Llanowar Elves, Fog, Rangers Guile, Giant Growth 2-cost cards: Rampant Growth, Mulch, Grisly Salvage 5+ cost cards: Natures Revolt (costs 5), Stone-Tongue Basilisk (costs 7) In this example, the distribution would be 16 cards with a mana value of 1, 12 cards with a mana value of 2, and 8 cards with a mana value of 5 or higher
Ingredients House of Leaves was released in 2000, and despite it being a fairly experimental literary horror/suspense book, it became an international bestseller
It allows you to untap and play even more spells
If you cant afford the pricier cards like Sword of Fire and Ice, Zephyr Boots is a decent enough option, particularly as it grants evasion
You need to have some redundancy for a lightning-rod equipment in play