Berserkers' Onslaught | Enchantment | | Attacking creatures you control have double strike. | Zoltan Boros
Dragon Tempest | Enchantment | | Whenever a creature with flying enters the battlefield under your control, it gains haste until end of turn.
Whenever a Dragon enters the battlefield under your control, it deals X damage to any target, where X is the number of Dragons you control. | Willian Murai
Impact Tremors | Enchantment | | Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent. | Lake Hurwitz