Find a recursive creature and gain 7 life was a common cause of concessions from aggressive decks
3 Let It Go (Challenge Promo, 2) $784.57 Your Bank May Freeze Your Card Over This Purchase This promo card is one of the illusive challenge promo cards which are very hard to obtain
Yunas own stat line is also surprisingly solid, as a 3/5 trampling lifelinker can tussle decently
Court of Ardenvale AND Court of Grace Hello and welcome to our pair of four-cost enchantments make you the Monarch on arrival to the battlefield and then in your upkeep you'll get a trigger that's better if you have the Monarchy and kept it for a round of turns
While its a great card, it shines best in Kindred decks, and I wanted this list to focus more on general utility and standalone power
Combine some excellent Boros (white/red) cards in your deck that synergize with this ability, such as Defiant Strike or Fists of Flame, and you can give your creatures some nasty buffs and keywords as much as you like