If that card is the first of its type to enter a graveyard, it will raise Tarmogoyf's toughness before the game checks to see if Tarmogoyf dies
Peony Discard your hand and search your deck for up to 2 Trainer cards, reveal them, and put them into your hand
I think back to my youth and being a Dungeons & Dragons player
You can still lose to Commander Damage, poison counters, and other effects that let your opponents automatically win
Theres a real argument for Simic and Mardu, but Mardu is sorely lacking in a +1/+1 counter commander
War of the Spark is "the most ambitious Magic: The Gathering card set ever," coming to both the physical version of the game and Magic: The Gathering Arena, the digital release that went into open beta last year