CardName: Polyjuice
Cost: 1U
Type: Instant
Pow/Tgh: /
Rules Text: Target creature you control becomes a copy of target
creature until end of turn.
Potion - Exile two creature cards from your graveyard or
hand: Return Polyjuice from your graveyard to your hand.
Flavour Text:
Set/Rarity: Hogwarts None
Polyjuice
Instant
Target creature you control becomes a copy of target creature until end of turn.
Potion – Exile two creature cards from your graveyard or hand: Return Polyjuice from your graveyard to your hand.
A variant of Cytoshape or Polymorphous Rush.
"Potion" is one attempted mechanic. It still needs some iteration, but I wanted to capture the feel of amassing the components.