Kira, Great Glass-Spinner - [Foil] Modern Masters (MMA)Flying Creatures you control have "Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability." Each spell is an intricate tapestry, and Kira is the great unraveler.

you may copy a card exiled with Panoptic Mirror

{4}{B}{B}: Exile target creature and put a +1/+1 counter on Dark Impostor

• Exile target enchantment

When Custodi Lich enters the battlefield

) {X}: Lazav

Destroy all creatures in the pile of that player's choice

Sacrifice Azorius Locket: Draw two cards

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

[−3]: Put target nonland permanent into its owner's library third from the top

All Sliver creatures have shadow

turn all other nontoken creatures face down

Flying Will of the council — When Custodi Squire enters the battlefield