It may look deceptively easy because these decks win quickly, but don't let that fool you

Synchro Transmission 1st Edition PHRE (Rare) EU English Regular price 0,50 EURRegular priceUnit price per Sale price 0,50 EUR Crystal Wing Synchro Dragon 1st Edition PHRE (Rare) EU English Regular price 0,50 EURRegular priceUnit price per Sale price 0,50 EUR Jet Synchron 1st Edition PHRE (Rare) EU English Regular price 0,50 EURRegular priceUnit price per Sale price 0,50 EUR Arcane Apprentice 1st Edition PHRE (Rare) EU English Regular price 0,50 EURRegular priceUnit price per Sale price 0,50 EUR Ally of Justice Cyclone Creator 1st Edition PHRE (Rare) EU English Regular price 0,50 EURRegular priceUnit price per Sale price 0,50 EUR Sunset Beat 1st Edition PHRE (Rare) EU English Regular price 0,50 EURRegular priceUnit price per Sale price 0,50 EUR Terrors in the Hidden City 1st Edition PHRE (Rare) EU English Regular price 0,50 EURRegular priceUnit price per Sale price 0,50 EUR Sol and Luna 1st Edition PHRE (Rare) EU English Regular price 0,50 EURRegular priceUnit price per Sale price 0,50 EUR Book of Taiyou 1st Edition PHRE (Rare) EU English Regular price 0,50 EURRegular priceUnit price per Sale price 0,50 EUR Time Reloader 1st Edition PHRE (Rare) EU English Regular price 0,50 EURRegular priceUnit price per Sale price 0,50 EUR Autonomous Action Unit 1st Edition PHRE (Rare) EU English Regular price 0,50 EURRegular priceUnit price per Sale price 0,50 EUR Snatch Steal 1st Edition PHRE (Rare) EU English Regular price 0,50 EURRegular priceUnit price per Sale price 0,50 EUR Change Of Heart 1st Edition PHRE (Rare) EU English Regular price 0,50 EURRegular priceUnit price per Sale price 0,50 EUR Nightmare Magician 1st Edition PHRE (Rare) EU English Regular price 0,50 EURRegular priceUnit price per Sale price 0,50 EUR Tragoedia 1st Edition PHRE (Rare) EU English Regular price 0,50 EURRegular priceUnit price per Sale price 0,50 EUR Synchro Overtake 1st Edition PHRE (Rare) EU English Regular price 0,50 EURRegular priceUnit price per Sale price 0,50 EUR

If your cards are already in sleeves, binders, or protective cases, keep them that way - cards in better physical condition get stronger offers, and proper storage helps protect that condition right up until the moment we evaluate them
The Simic arent all happiness, though
This one has no pre-requisites and is a simple one-off trade
It's the same as asking if stocks or real estate are a good investment