It won't get a +1/+1 counter if it enters the battlefield as a copy of a non-Shapeshifter creature.
Ophiomancers token holds off attacks pretty well, but the lifegain from Pest Rescuers tokens might be preferable for some Witherbloom strategies
Since it only costs one mana more than Naturalize, and green is the color with the best mana acceleration, Krosan Grip can replace Naturalize in virtually every mono-green deck , and you'll never feel the difference until split second wins you the game
The deck runs the following packages: Due to the desire to run through multiple upkeeps the deck runs a large amount of extra-turn effects, including Time Warp, Capture of Jingzhou, Temporal Manipulation and Walk the Aeons
Instead, this will be more of a summary of the concepts and important points
In terms of card search, the engine is also pretty similar to MTG Familiars and Gatherers advanced searches