Tamiyo's Safekeeping [Kamigawa: Neon Dynasty] Wizard Otter add an amount of {C}

add an amount of {C} equal to that spell's converted mana cost

then shuffle the rest of the revealed cards into your library

Theme boosters are different than normal boosters:

That player may cast that card without paying its mana cost

" — Memorial inscription

Tamiyo's Safekeeping [Kamigawa: Neon Dynasty] Wizard Otter add an amount of {C}Set: Kamigawa: Neon Dynasty Type: Instant Rarity: Common Cost: {G} Target permanent you control gains hexproof and indestructible until end of turn. You gain 2 life. (A permanent with hexproof and indestructible can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.) To keep the Reality Chip out of Jin Gitaxias's hands, the Wanderer entrusted it to Tamiyo.