Qiyana, Empress of Elements

When Qiyana, Empress of Elements attacks, exile target land an opponent controls and put
a elemental counter on it.
If an island with an elemental counter on it
is in exile, Qiyana gains +3/+3 and flying, Qiyana gains +1/+1 and can't be blocked if there's a forest, and gains +2/+2 and first strike if there is a plains.