It doesn't wear off during the cleanup step or when Guide of Souls leaves the battlefield
Then, they get a +1/+1 counter on them whenever day or night changes, and both instant and sorcery cards are X less to cast where X is Vadriks power
If youre playing your deck right, you probably get at most three triggers from Land Tax before you end up ahead on lands (either from ramping, or from others missing land drops)
Creature Types Matter Latch onto one of the families of animals and run with them because the types nearly outline their own deck brews in Standard
Timetwister provides both you and your opponent a fresh hand of seven cards and a fresh library , with only Timetwister remaining in the graveyard
Because fetch lands can retrieve any land that meets one of its land type requirements, that same Arid Mesa can fetch a Steam Vents, which is an island mountain dual land