In those games, some decks are created specifically to force their opponent to draw too many cards too quickly so that they deck out and instantly lose
Obviously, there are the usual Simic +1/+1 counter strategies, but you can also use Krajs ability to give it the activated ability of a creature that untaps itself, thereby creating an infinite loop
Each deck comes with 1 Foil-Etched Display Commander, 10 tokens, 1 life tracker + 1 deck box
This deck foregrounds powerful mutant creatures like the Deathclaw, as well as the new rad counter, which can be proliferated to bring your opponents life totals and deck sizes down to zero
Thoughtpicker Witch While most people with sac outlets will want those outlets to be free, for one mana you get to actively hinder your opponents game plan with this wonderful one drop wizard
Discard effects can go even further, eating away at your opponents hand each turn to deprive them of resources in the long game