Sweet-Gum Recluse

Flash
Cascade (When you cast this spell, exile cards from
the top of your library until you exile a nonland card
that costs less. You may cast it without paying its
mana cost. Put the exiled cards on the bottom of your library in a random order.)
Reach
When Sweet-Gum Recluse enters the battlefield,
put three +1/+1 counters on each of any number of
target creatures that entered the battlefield this turn.