Elesh Norn, Teenager

Double Strike, Haste, Menace, Ward {2}
Whenever a spell or ability causes an ability of a permanent you control to trigger, that triggered ability has Ward {2}. Whenever a spell or ability
causes an ability of a permanent an opponent
controls to trigger, that triggered ability costs {2} more.
{t}: Until the start of your next turn, {w} on
your spells and abilities are {p/w} instead.