With a stocky willpower of six, Perdita, Devoted Mother can use her Come Along, Children ability when she quests (for two lore by default) to play a character with a cost of two or less from the players discard pile for free
Its what makes forests able to tap for green mana etc., and why all lands tap for black mana when Urborg makes them all swamps
Finally, anything that costs such as [Crashing Footfalls is a must-have in a cascade deck
Golos did everything, getting you a land to fix your mana to help pay for the commander tax and his ability, giving you free casts off the top cards of your deck
The potential source of damage to the cards is near the spine in the form of bends and creases, so make sure to keep on eye on these
But how can you tell what set a card is from