Your opponents wont be able to fetch their lands or tutor for their combo while the Arbiter is there unless they pay 2 mana more
Most wraths only destroy creatures, so players who have garnered a mana or card advantage can often maximize on the reset more than you
But it is still a solid choice for any White-Blue Control deck
Being a partially green deck, Exit from Exile has a ton of great ramp that will get you the mana you need to cast some of its best new creatures, including the excellent Nalfeshnee, which copies spells that you cast from exile
Ink on paper With Kekai (kay-kai) nearing in on 100 card art illustrations for Magic , normally folks find a lane and you expect their style
Doubling your mana puts you leaps and bounds ahead of your opponents, especially considering that this excellent green planeswalker protects itself and pressures your opponent by animating lands