Ravnica Allegiance

Angelic Exaltation | Enchantment | | Whenever a creature you control attacks alone, it gets +X/+X until end of turn, where X is the number of creatures you control. | John Severin Brassell

Smothering Tithe | Enchantment | | Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") | Mark Behm

Ill-Gotten Inheritance | Enchantment | | At the beginning of your upkeep, Ill-Gotten Inheritance deals 1 damage to each opponent and you gain 1 life. {5}{B}, Sacrifice Ill-Gotten Inheritance: It deals 4 damage to target opponent and you gain 4 life. | Winona Nelson

Guardian Project | Enchantment | | Whenever a nontoken creature enters the battlefield under your control, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card. | Chris Rallis

Wilderness Reclamation | Enchantment | | At the beginning of your end step, untap all lands you control. | Tyler Walpole