Much of the meta is centred around beating these decks, and if the list your running isnt prepared for them, you wont stand a chance unless you draw very well and they draw abysmally
Unfortunately, however, each deck only contains two
Alrund's ability also lets you choose a card type, reveal the top two cards of your library, and put any of that type revealed into your hand each end step, just to buff up that hand size even more
We can breakdown player retention between events
You commonly find it in token decks that use the second mode to clear the way for an army of Beast or Octopus tokens, but a control deck could just as easily play it to punish that one Ghired, Conclave Exile player who doesnt understand relative power levels
Casting Cost: Card Type: Legendary Planeswalker - Karn Card Text: Activated abilities of artifacts your opponents control can't be activated