Tannuk, Steadfast Second

Other creatures you control have haste.
Artifact cards and red creature cards in your hand have warp {2}{R}. (You may cast a card from your hand for its warp cost. Exile that permanent at the beginning of the next end step, then you may cast it from exile on a later turn.)

Emblem of the Warmind

Enchant creature you control
Creatures you control have haste.

Fires of Yavimaya

Creatures you control have haste.
Sacrifice this enchantment: Target creature gets +2/+2 until end of turn.

Fervor

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

Hammer of Purphoros

Creatures you control have haste.
{2}{R}, {T}, Sacrifice a land: Create a 3/3 colorless Golem enchantment artifact creature token.

Samut, Vizier of Naktamun

First strike, vigilance, haste
Whenever a creature you control deals combat damage to a player, if that creature entered this turn, draw a card.

Rising of the Day

Creatures you control have haste.
Legendary creatures you control get +1/+0.

Concordant Crossroads

Anger

Haste
As long as this card is in your graveyard and you control a Mountain, creatures you control have haste.

Mass Hysteria

Urabrask the Hidden

Creatures you control have haste.
Creatures your opponents control enter tapped.