The five-drop Black one will destroy a dork when it ETBs and equips for free and gives it menace and +1/+{1 size too
Green has loads of in-color synergies that work, and you don't even need to do this as a sorcery, so you can wait until the end of someone's turn, tap out and discard a card and dig up something nice and toss it onto the battlefield
Enchantment Color tag templates(None) Intrepid Adversary Lifelink When this creature enters, you may pay any number of times
Heliod, Sun-Crowned, infamous for creating infinite combos with the likes of Walking Ballista, has a decent amount of demand behind it
The casting cost isn't all that helpful unless you are after devotion, otherwise it just harms you ability to play colourless lands
They also offer some powerful abilities as a major upside when they enter the battlefield