Creatures with the changeling ability will still lose all creature types even though they don't lose changeling.
24-09-2021
wotc
Effects that modify a creature's power and/or toughness, such as the effect of Titanic Growth, will apply to the affected creatures no matter when they started to take effect. The same is true for any counters that change their power and/or toughness.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.