Psychic Battle - [Foil, Retro Frame] Invasion (INV) IKO Mutate {3}{U} (If you cast

Mutate {3}{U} (If you cast this spell for its mutate cost

Hangarback Walker enters the battlefield with X +1/+1 counters on it

Oona's song is like a twisted dinner chime

Here's the list of cards that are possible pulls:

Psychic Battle - [Foil, Retro Frame] Invasion (INV) IKO Mutate {3}{U} (If you castWhenever a player chooses one or more targets, each player reveals the top card of their library. The player who reveals the card with the highest mana value may change the target or targets. If two or more cards are tied for highest, the target or targets remain unchanged. Changing targets this way doesn't trigger abilities of permanents named Psychic Battle.