Scavenging Chameleon

Landfall — Whenever a land enters the
battlefield under your control, you may have Scavenging Chameleon become a copy of target creature on the battlefield except it keeps its
abilites. Then put a +1/+1 counter on it.
{t}: Add mana in one of this permanents colors
equal to the number of +1/+1 counters on it.

"Using the surroundings as an advantage."