Call of the Full Moon | Enchantment | Aura | Enchant creature
Enchanted creature gets +3/+2 and has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)
At the beginning of each upkeep, if a player cast two or more spells last turn, sacrifice Call of the Full Moon. | Nils Hamm
Flameshadow Conjuring | Enchantment | | Whenever a nontoken creature enters the battlefield under your control, you may pay {R}. If you do, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step. | Seb McKinnon
Ghirapur Aether Grid | Enchantment | | Tap two untapped artifacts you control: Ghirapur Aether Grid deals 1 damage to any target. | Cynthia Sheppard
Infectious Bloodlust | Enchantment | Aura | Enchant creature
Enchanted creature gets +2/+1, has haste, and attacks each combat if able.
When enchanted creature dies, you may search your library for a card named Infectious Bloodlust, reveal it, put it into your hand, then shuffle. | Zoltan Boros
Molten Vortex | Enchantment | | {R}, Discard a land card: Molten Vortex deals 2 damage to any target. | Philip Straub