Appa, Steadfast Guardian 316 (Avatar: The Last Airbender) - Borderless Condition:HP you may reveal the top

you may reveal the top 2 cards of your deck and your opponent chooses 1 of them

Each opponent can cast spells only any time they could cast a sorcery

if this Pokemon is in your discard pile

Whenever another creature you control becomes the target of a spell or ability

{T}: Tap target creature

Appa, Steadfast Guardian 316 (Avatar: The Last Airbender) - Borderless Condition:HP you may reveal the topFlash Flying When Appa enters, airbend any number of other target nonland permanents you control. (Exile them. While each one is exiled, its owner may cast it for {2} rather than its mana cost.) Whenever you cast a spell from exile, create a 1 1 white Ally creature token.