The thing is, the turn still ends with these effects, so something that simply lasts until the end of turn will still act appropriately
To determine the number of differently named creature tokens you control, count each creature token you control once, but only if its English name isn't exactly the same as another creature token you've already counted this way
The sorcery costs two reduces their size by -4 /-4
They redirect rivers to thwart intruders, call up banks of fog, summon enormous waves to wash away their foes, create huge vines to destroy ships and fortresses, direct the winds to lift them into the air or send flying opponents crashing down, and so on
If youve been thinking, Golly, I have too much money to spend on Magic then I have some news for you