Because Dryad only finds basic Forest, it will be most at home in a Green-heavy deck, which is a nice way to protect against giving 3+ color decks access to even more ramp
A 1-drop thats awesome as a late-game top deck is good in my books
The one who reveals fewer objects ends up losing half of their HP but rounded up, meaning that no one can ever lose the game to thisbut they will never recover their dignity
The Bloom player would tap all their lands, sacrifice them all, then Natural Balance, effectively making ten more mana
It may not get rid of the threat for good, but it's definitely a strong tempo card
The worst part: even though Dual Casting is a tap ability, you can usually put the aura on a creature which was already in play so assuming the spell you want to copy is an instant, you can go from innocuous boardstate to comboing off in the same turn for just four or five mana