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
It looks cool, and its a way to support a game that Ive poured thousands of hours into
In fact, most of the really famous ones don't
I've heard some even say that Channeler is quite possibly one of the second best one drop creatures in Vintage at this point outside of Deathrite Shaman
The thing is, the turn still ends with these effects, so something that simply lasts until the end of turn will still act appropriately
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