Rose of the Garden

You may pay {2} instead of this card's mana cost
if the mana comes from treasure tokens.
{t} Add {1} to your mana pool.
{1} Reveal a card in your hand to an opponent.
That opponent must reveal a card in their hand
to you. Neither player may reveal a card that has already been revealed. Spells opponents reveal
this way perpetually cost {1} more to cast.