Alia, Angelic Luckbringer

Whenever you attack with Alia, Angelic Luckbringer, flip a number of coins equal to
Alia's power.
For each heads: Create a 1/1 Blue Faerie creature
token with Flying tapped and attacking.
Sacrifice that token during the next end step.
For each tails: Put a +1/+1 counter on target creature, it gains Flying until end of turn.