Every eighth standard pack may contain a mythic rare card instead of a regular rare, and theres a chance that a card of each rarity is transformed into its corresponding wildcard
It creates a legendary token called The Void under an opponents control
Charix is one of the toughest creatures in Magic as a 0/17, and its activated ability quickly lets you turn it into a big beater as well if needed
Krenko, Tin Street Kingpin This take on Krenko is a bit more Voltron than others, as it really rewards you for pumping up its power with equipment and combat tricks
Either way, a +1/+1 counter is put on that creature, and it becomes a Borg artifact creature and loses its other creature types
are you casting Simic Sky Swallower with the 7 mana your lands happen to produce, or does it matter that you have 7 lands because that means X landfall triggers, Y cards drawn etc