The best mono-white equine I can think of is Crested Sunmare, who, to be fair, is genuinely great when copied
Decree of Justice helped to make Mono-White Control a winner when it was printed, which I played heavily and even wrote a primer on it here ( You can wait until EOT, tap out and cycle for a ton of 1/1 and then you drew a card and it was hard to answer since you cannot counter a cycle since it wasn't cast
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
17 Captain Amelia - Commander Of The Legacy Card 221/204 EN.6, Steel Ink Captain Amelia's Enchanted card is among the most valuable cards in Azurite Sea , as well as being a beautiful design
*** As you can see by this list, 2015 was a fantastic year for the format