CardName: Adaptative Predator
Cost: 4G
Type: Creature - Beast
Pow/Tgh: */*
Rules Text: As Adaptative Predator enters the battlefield, it becomes
your choice of a 4/2 creature with trample or a 2/4 creature
with reach.
When Adaptative Predator enters the battlefield, it fights
target creature an opponent controls.
Flavour Text:
Set/Rarity: Shiny Umbreon's Unmade Cards Uncommon
Adaptative Predator
U
Creature – Beast
As Adaptative Predator enters the battlefield, it becomes your choice of a 4/2 creature with trample or a 2/4 creature with reach.
When Adaptative Predator enters the battlefield, it fights target creature an opponent controls.
Not sure if uncommon for complexity issues, but I like it uncommon because it would be interesting in Limited.