Valkyrie's Call | Enchantment | | Whenever a nontoken, non-Angel creature you control dies, return that card to the battlefield under its owner's control with a +1/+1 counter on it. It has flying and is an Angel in addition to its other types. | Scott Murphy
Omniscience | Enchantment | | You may cast spells from your hand without paying their mana costs. | Jason Chan
Rite of the Dragoncaller | Enchantment | | Whenever you cast an instant or sorcery spell, create a 5/5 red Dragon creature token with flying. | PINDURSKI
Doubling Season | Enchantment | | If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.
If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead. | Chuck Lukacs