mtg cards that copy creatures Mimic Token The Gathering Copycrook | Modern Horizons 3

And there are certainly other routes to consider too like Jalum Tome or discard in Disrupting Scepter

Elspeth, Storm Slayer - Just an all-star

9: You get an emblem with "Whenever a player casts a spell, you create a 2/1 blue Ninja creature token." Kalastria Highborn Rarity: Rare TYPE: Creature SUBTYPE: Vampire Shaman CMC: 2 Mana cost: USD: $0.18 EUR: 0.28 TIX: 0.02 EDHREC RANK: 11774 (2/2) Whenever this creature or another Vampire you control dies, you may pay

The second reason is to have a place where Wizards can reprint cards that come from sets and Secret Lairs that are part of Universes Beyond with Magic-themed artwork without impacting their scarcity too much

The icicles across the back suggest this is a spell effect, fired at great velocity to create a literal brain freeze