all standard cards mtg Top 5 Most Powerful Decks of Time - Riley Ranks Legal in Standard, Rules Text:

Winning the Game with a Twist Now the tricky part: how to win the game when weve spent most of the game trying to put -1/-1 counters on our own creatures

These contain a combination of existing cards (with brand new artwork), new cards from the main Final Fantasy set, and a further 25 new cards in each deck that cant be obtained in normal Play Boosters (though they do appear in Collector Boosters)

in other cases, the controller of a creature put onto the battlefield attacking chooses which player or planeswalker it attacks

Although it couldnt hope to do much against Abzan Midrange which went on to win it was an important tool against the Thopters and Goblins of Jeskai Midrange and the tokens of White Weenie decks