Dream Trawler is a prominent example, but underplayed threats like Feasting Troll King and Lochmere Serpent fall into this category as well
Preferred Printing Feature Finally Here Years after releasing, MTG Arena finally has the technology to allow players to favorite certain versions of cards to be used when building decks
Then as your vehicles deal combat damage to your foes, you exile that many cards from their library and you can play them, although there is no mana-washing here, so in a mono-Blue deck you might find it rough to cast non-Blue, non-colorless cards
Not only that, but it can trigger multiple times per turn just by casting non-creature spells
My beginning was only a few months from Onslaught block, giving me a concentrated look at tribal strategies, followed up by a year of artifacts on Mirrodin, and a year of legendary creatures on Kamigawa