Always play Cradle but do be vary wary of the potential drawbacks it has
Wildfire is the same card but affects everyone and doesn't target a player
A strategy similar to the Zoroark Persian Naganadel deck that was played at NAIC could still be good, especially since Stinger GX is now a built-in part of the main Pokemon line and most healing cards have rotated
Keep in mind Rule 13 from the Commander rules: Abilities which refer to other cards owned outside the game (Wishes, Spawnsire, Research, Ring of Maruf) do not function in Commander without prior agreement on their scope from the playgroup
This green deck is full of huge fatties, and ways to make them even fatter
However, if a creature has a triggered ability that increases its power that triggers whenever it attacks, that bonus will not count