mtg demigod cards Tymaret, Chosen from Death (Showcase) [Theros Beyond Death] it gets +1/+1 and has first strike. Custom Theros Set — MTG

Any "as this creature enters" or "this creature enters with" abilities of the copied card will also work

You're in luck

Its common to find these effects stapled to creatures themselves, which are colloquially known as aristocrats thanks to a heater from Tom Martell

Abyssal Horror Acridian Angel of Retribution Arbor Elf Archangel Armored Warhorse Avatar of Discord Avatar of Fury Avatar of Hope Avatar of Might Avatar of Will Avatar of Woe Ayumi, the Last Visitor Batterskull Blazing Salvo Bog Initiate Brooding Saurian Burning Earth Cho-Arrim Legate Concentrate Coral Merfolk Counterspell Covetous Dragon Damping Engine Darkheart Sliver Dawnstrider Death Match Defiling Tears Dogged Hunter Double Cleave Dust Elemental Emissary of Despair Emissary of Hope Encroach Faerie Macabre Faerie Squadron Fatespinner Flame Jab Foul Spirit Fulminator Mage Haunting Hymn High Ground Hollow Specter Ichorid Infectious Host Inquisition of Kozilek Jeska, Warrior Adept Kaervek the Merciless Kami of Restless Shadows Karn, Living Legacy Keeper of the Beasts Knight of Dusk Leshrac's Rite Lightning Angel Lin Sivvi, Defiant Hero Lumengrid Augur Mana Cache Merfolk Skyscout Mighty Leap Mind Funeral Mindlock Orb Morphling Mountain Necroplasm Nefashu Nesting Wurm Onyx Goblet Ore Gorger Orochi Sustainer Overseer of the Damned Pardic Arsonist Phyrexian Reclamation

This has a tap ability for nothing else, to sacrifice a dork for Black mana equal to its mana cost

Illustrated by Jaime Jones Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp