Have

Goblin Warchief

Goblin spells you cast cost {1} less to cast.
Goblins you control have haste.

Ashling's Prerogative

As this enchantment enters, choose odd or even. (Zero is even.)
Each creature with mana value of the chosen quality has haste.
Each creature without mana value of the chosen quality enters tapped.

Mass Hysteria

Fervor

Creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

Emblem of the Warmind

Enchant creature you control
Creatures you control have haste.

Rhythm of the Wild

Creature spells you control can't be countered.
Nontoken creatures you control have riot. (They enter with your choice of a +1/+1 counter or haste.)