Leona, Voiceless

+3: Name a card. Whenever a spell with the same name as that card is cast this turn or the turn after, counter it.
-10: Draw a card, then you may discard a card. If you do, repeat this process. At the beginning of your next endstep, exile your hand and graveyard.
-16: You get an emblem with "Spells cannot be cast if you have named them with Leona this game." Name a card.