A good way for you to reference your cards to see if theyre authentic is to check out the identifying number and set (bottom right corner) and compare it with a google image search with a card that has been graded by PSA or CGC
Second, it prevents opposing monsters from activating their effects on the board while it and Light Barrier are in effect
A pop-up appears to show how many wildcards of each rarity it will take to craft your deck
(2/1/2014) If you tap Phenax to activate the ability it grants itself, and Phenax is no longer a creature but still on the battlefield as that ability resolves, no cards will be put into the target player's graveyard
Once you have the poison engine going, Brimaz effectively turns all your Phyrexians into rattlesnakes, since using even just one to chump-block means that you get to proliferate at the next end step
Professors Research can also be used to cycle through your deck to find the necessary cards