If a land has an ability that says it enters the battlefield tapped, you choose the order in which that ability's effect and The Wandering Minstrel's effect apply
Abomination of Llanowar counts both the Elves on your battlefield and the Elf cards in your graveyard to determine its power and toughness
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Someone with Cabal Coffers, Emeria, the Sky Ruin, or Mystic Sanctuary might want to run as many lands that can satisfy those needs
Ionize deals 2 damage to that spell's controller
I started saving part of my salary for the fateful day I would preorder the official pre-constructed Commander decks and buy as many boosters as I could