This ability has many uses, like helping you find more pieces to get more Charizards into play and dig for Leons to discard
The thing with Gifts is you can Entomb twice with it, and you can also make a package with four redundant effects to guarantee you get the effect you want
Mime #60 Blaine's Charmander #61 Blaine's Doduo #62 Blaine's Growlithe #63 Blaine's Mankey #64 Blaine's Ponyta #65 Blaine's Rhyhorn #66 Blaine's Vulpix #67 Brock's Diglett #68 Brock's Geodude #69 Erika's Jigglypuff #70 Erika's Oddish #71 Erika's Paras #72 Giovanni's Machop #73 Giovanni's Magikarp #74 Giovanni's Meowth #75 Giovanni's Nidoran #76 Giovanni's Nidoran #77 Koga's Ekans #78 Koga's Grimer #79 Koga's Koffing #80 Koga's Pidgey #81 Koga's Tangela #82 Koga's Weedle #83 Koga's Zubat #84 Lt
White enables you to play a ton of the most efficient spot removal available in 93-94, if you wish to play it
A quick evolution to Gyrados from Magikarp with a very lucky Misty Supporter Card coin flip, might grant you one shot early in the game and stall the energy gathering of your psychic opponent, but chances are that by the time you've evolved and energized your big hitter enough to try a Hyper Beam, you've already been Psydrived for your full 150 HP
You may not always put it in every Izzet deck, but at least give it the consideration it deserves