cait sith mtg card [Opus I] Card Kingdom

The Wizards are certainly out in force

Any "as [this creature] enters the battlefield" or "[this creature] enters the battlefield with" abilities of the copied token will also work

Raging Battle Mouse can't reduce its own cost, even if it's the second spell you cast in a turn

Metamorphosis Rarity: Common TYPE: Sorcery SUBTYPE: - CMC: 1 Mana cost: USD: $13.79 EUR: 8.21 TIX: 0.00 EDHREC RANK: 8872 As an additional cost to cast this spell, sacrifice a creature

This was introduced to replace the nebulous "power level" rankings ranging from one to ten that players previously used

Thats doable in 60-card formats by playing four copies but its very hard