In addition, there was no thoughtful moment of game play
Multiple activations of cards like Zimone and Dina and Magus Lucea Kane quickly get out of hand, making this a pretty useful little card for a mere 2 mana
For opponents, one could force them to draw on a full hand, meaning they'd have to discard all three cards

5 Traditional foil borderless scene rares (12.36%) 1 Traditional foil borderless scene mythic rare (1.24%) 1 Traditional foil rare or mythic rarecan be any of the following: 32 Traditional foil rares (82.05%) 14 Traditional foil mythic rares (17.95%) 1 Non-foil extended-art rare or mythic rarecan be any of the following: 16 Non-foil extended-art rares (97%) 1 Non-foil extended-art mythic rare (3.0%) 1 Traditional foil rare or mythic rare that's an alternate-frame, extended-art, or borderless card, or one of the following: 2 Traditional foil borderless rares (4.95%) 8 Traditional foil borderless mythic rares (9.91%) 14 Traditional foil showcase memory corridor rares (34.67%) 5 Traditional foil showcase memory corridor mythic rares (6.19%) 16 Traditional foil extended-art rares (39.62%) 1 Traditional foil extended-art mythic rare (1.24%) 5 Textured foil showcase memory corridor mythic rares (3.25%) 4 Double rainbow serialized cards (500 of each) 1 Foil-etched rare or mythic rarecan be any of the following: 32 Foil-etched rares (82.05%) 14 Foil-etched mythic rares (17.95%) 1 Traditional foil double-sided token *Note: Probabilities may not sum to 100% due to rounding

You may cast an instant or sorcery spell with equal or lesser mana value from your hand without paying its mana cost
In that way, Rift Bolt is much-needed redundancy for decks looking to burn the opponent directly