This may contain incomplete changes in progress
I much prefer seeing transform cards than separate entities to bloat a set
There are still lower-power ways to achieve similar results, like combining smaller effects such as Faithless Looting, Careful Study and Frantic Search with Shadow of the Grave or Change of Fortune
If your untap step is somehow skipped as your next turn begins, your phased-out permanents won't phase in until the next untap step you actually have, but you'll no longer have protection from everything and your life total can change again
The former has a powerful, classic effect for Green cards, drawing you cards equal to the greatest power among creatures you control on its first turn, and on the second, it earthbends X, where X is the number of cards in your hand
Look for decks with simple mechanics like creature-focused red, green, and white decks, or basic control decks in blue and white