It adds first strike, plus the potential to free-cast more expensive cards if you can stockpile extra energy before playing it

Izzet Lutri | IKO Standard | Abe Sargent Companion (1) 1 Lutri, the Spellchaser Creatures (10) 1 Bonecrusher Giant 1 Brazen Borrower 1 Crackling Drake 1 Fae of Wishes 1 God-Eternal Kefnet 1 Niv-Mizzet, Parun 1 Pteramander 1 Rielle, the Everwise 1 Sprite Dragon 1 Voracious Greatshark Planeswalkers (3) 1 Chandra, Acolyte of Flame 1 Chandra, Awakened Inferno 1 Ral, Storm Conduit Instants (14) 1 Anticipate 1 Chemister's Insight 1 Expansion // Explosion 1 Fire Prophecy 1 Flame Spill 1 Ionize 1 Negate 1 Neutralize 1 Opt 1 Scorching Dragonfire 1 Shock 1 Sinister Sabotage 1 Tale's End 1 Thassa's Intervention Sorceries (5) 1 Bond of Insight 1 Callous Dismissal 1 Invade the City 1 Light Up the Stage 1 Purphoros's Intervention Enchantments (2) 1 Omen of the Forge 1 Omen of the Sea Lands (26) 9 Island 9 Mountain 4 Evolving Wilds 4 Temple of Epiphany That's just one quick example of a way to build a Standard deck with one of the worst in the cycle in Standard

Yet despite being someone clearly still invested, my opinion on TCG Pocket has flip-flopped around like a Magikarp that can't decide if it wants to reach the water or perish on dry land
The most valuable cards in the set are the Pokemon V, Pokemon VMAX, ultra and secret rare cards specifically Charizard V, Charizard VMAX are worth the most money