Condition is a huge factor for this card, as most MP or worse copies will max out at $250, while near-mint copies can command anywhere between $350 to $500, depending on how good the condition is, as a highly-graded copy sells for more than $500
To tap an untapped creature in Magic, you need to perform an action that taps it, i.e
Flying, lifelink Joshua, Phoenix's Dominant // Phoenix, Warden of Fire Rarity: Rare TYPE: Legendary Creature // Legendary Enchantment Creature SUBTYPE: Human Noble Wizard // Saga Phoenix CMC: 3 Mana cost: USD: $3.63 EUR: 2.05 TIX: 0.02 EDHREC RANK: 4099 (3/4) When Joshua enters, discard up to two cards, then draw that many cards
The best mono-white equine I can think of is Crested Sunmare, who, to be fair, is genuinely great when copied
Ive been testing a Gruul stompy list that curves the Cub into Toph, Greatest Earthbender, and the pressure it puts on the board is absurd