Taken as a package Barricade does a hell of a lot for its low mana cost, in enough matchups to see Standard sideboard play at the very least
Turning your opponents creatures into food, while retaining all of their abilities, just has so much potential
It slows down decks like Charizard, Pidgeot, and Dusknoir, and helps decks with useful Stage 1s like Gardevoir and Dragapult
Lower Text [Opponent's Turn] While this Digimon has [X Antibody] in its traits, it gains Reboot
General Grunard of the Ice Barrier X WATER Level 8 [ WarriorEffect ] ATK 2800 DEF 1000 During your Main Phase, you can Normal Summon 1 "Ice Barrier" monster in addition to your Normal Summon/Set
I believe that most decks that run Sun Titan will also want to consider Serra Paragon, and some may even prefer it