Drytron Monsters cant be normal summoned, and can only be special summoned by either tributing a ritual monster or from tributing another Drytron Monster
Now, on to the life side gain part of the card, which tends to trip up new players
There might be higher grades out there, but the difference between, for example, an early cert PSA 10 and a more modern PSA 8 or 9 feels minimal and, nowadays, somewhat relative
Crow 1 Fantastial Dragon Phantazmay 2 Dinowrestler Pankratops 3 Pot of Extravagance 2 One for One 1 Harpies Feather Duster 2 Altergeist Protocol 2 Altergiest Manifestation 2 Personal Spoofing 1 Solemn Strike 2 Solemn Warning 3 Solemn Judgment 1 Imperial Order 2 Heavy Storm Duster 3 Altergeist Hexstia 2 Altergeist Primebanshee 2 Selene, the Sacred Sovereign of Magic 2 Linkuriboh 1 Relinquished Anime 1 Knightmare Phoenix 1 Brute Enforcerer 1 Knightmare Unicorn 1 Ningirsu the World Chalice Warrior 1 Mekk-Knight Crusadia Avramax Side Deck: 2 Nibiru, the Primal Being 3 Artifact Lancea 2 D.D
Paldea Evolved pull rates TCGplayer Authentication Center (8,000+ packs) Expect roughly 1 SIR per 23 booster boxes
Furthermore, players can reveal this card in their hand to special summon a Mitsurugi monster from the deck, then tribute a monster they control
