Sly da Adventura

Haste, Skulk
Whenever you cast a historic spell or transform a permanent you own, Sly explores and you create a treasure token.
Put four cards from your graveyard on the bottom of your library: Scout up to one card in your graveyard.
Boast - {u} Prevent all combat damage dealt by or to Sly:Target opponent chooses a nontoken permanent they control, a card in their hand or the top card of their library, Scout that card, then they create three treasure tokens.