it has come to my attention that some people in chat are unsure of some rules.
you have to use 2 or more of the chosen cards/card-mechanics to create a single card. this card is to either have synergy with the cards or share mechanics of the card. or of course both.
eg 1, dusk shield and pharaoh are chosen to build from, card idea may be that, the more creatures your opponent has, the less chance there is of you being hit by attackers.
this idea gets mechanics from both of those cards
eg 2, horned frog and fractal are chosen to build from. card idea heals the user for 3 hp for each vanilla creature the owner owns.
this idea gives synergy to both of those cards
eg 3, nightfall and wyrm are chosen to build from. card idea grants +1|+0 to each airborne creature
this gives synergy to 1 card (wyrm) while using the mechanic of the other (nightfall)
i posted a link to the old competition in the OP in case anyone wants to check out the old submissions. also, dont feel restricted to building from 2 cards, you can build from as many of the 4 cards as you want!