To meld the two cards in a meld pair, put them onto the battlefield with their back faces up and combined (see rule 701.34, Meld)
Shadowheart, Dark Justiciar Shadowheart, Dark Justiciar is up next, and is a simple human elf cleric who lets you pay and a creature to draw cards equal to that creatures power
You usually only see this sort of mechanic on green cards, but since its colorless, it can function in all sorts of decks perhaps best in five-colors, where you need the extra mana ramp
Store Championship promos now have unique art from (mostly) popular cards from across all of Magic's formats
To fill up your graveyard, Celes, Rune Knight and Mog, Moogle Warrior arrive with potent effects that get creatures into your graveyard, with the Celes also being her own wincon and value engine with her ability to grow your whole board every time a creature enters from your graveyard
This is getting confusing)