Even without the protection, a +3/+3 stat boost is nothing to scoff at
21 LIGHTNING BOLT In Magic , there are several types of spells
Whetheryoureenhancingyourdeck,startingacompetitiveOnePieceTCGjourney,orpreservingasealedcollectorsitem,thisboosterboxdeliversexcitement,value,andcraftsmanshipineverypack
The big thing is you are favored in most matchups and if you combine that with good play and the brewers edge of having greater familiarity of the matchup than your opponent does, you are going to get strong results with this deck.
The second reason I think it makes Magic better is that it disrupts the expected flow of the game, it mixes it up and allows situations where turn two things are happening on turn one
If you track down some of those packs, you just might find Eleven as Cecily, Haunted Mage or Mike as Othelm, Sigardian Outcast