wotc
An instant or sorcery spell is not a creature spell, even if that spell creates creature tokens.
An instant or sorcery spell is not a creature spell, even if that spell creates creature tokens.
If the mana is spent on two different creature spells, each of those spells (and resulting creatures) will gain haste until end of turn.
If the mana is spent on a noncreature spell that becomes a creature later in the turn, that creature won't have haste.
Magic: The Gathering · ™ & © Wizards of the Coast · Illus. Mathias Kollros
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If a creature spell has generic mana only in its alternative or additional cost, the creature will still gain haste.