For example, if you control The Ozolith when Enduring Bondwarden dies, you'll put the appropriate number of each kind of counter onto both The Ozolith and the target creature
Here are a few suggestions for keeping your proxy and original magic cards safe: Use card sleeves
Wizards of the Coasts official First Look video gives more examples and information on specific cards and card types that will be in the collaboration, as does the official website.
Again, this app is bare-bones simple, but it does a solid job of fulfilling its purpose, which is to keep track of life, allow players to roll dice, and support 2-4 players at one table
Fog Bank, Guard Gomazoa, Wall of Denial, Wall of Omens Even if your game plan is to give gifts to other players and encourage them to leave you alone, if youre wide open, people are going to take a swipe at you
Proliferate is a powerful mechanic, but it's only useful when you are casting permanents that have counters