(Jasconian Isle isn't a spell, it's affected by summoning sickness, it's blue, and it has "{T}: Add {U}.") Jasconian Isle enters tapped. Jasconian Isle doesn't untap during your untap step. At the beginning of your upkeep, you may pay {U}{U}. If you do, untap Jasconian Isle.
{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast an Ally spell or activate an ability of an Ally source. {5}, {T}: Create a 1/1 white Ally creature token.
{3}, Discard a card: Copy three instant cards chosen at random. You may cast one of the copies without paying its mana cost. {3}, Discard a card: Copy three sorcery cards chosen at random. You may cast one of the copies without paying its mana cost. Activate only as a sorcery.
Whenever a player casts a creature spell that's black, red, or green, it gains devour 5. Whenever chaos ensues, create two 1/1 red Goblin creature tokens.
{T}: Add {C}. {1}, {T}, Sacrifice this land: Search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle.
The sky is the dragon's throne, the seat from which it issues its fiery decrees.
Each Dinosaur card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. {T}: Add {G} for each Dinosaur you control.
Each noncreature artifact you control is an artifact creature with power and toughness each equal to its mana value.
Both part of the Legacy and an individual in his own right, the silver golem Karn is haunted by a single, terrible incident: while serving to protect the young Gerrard, Karn accidentally took the life of another. Wakened from years spent as a statue, the golem has vowed to never kill again as he rejoins Gerrard.
At the beginning of your upkeep, exchange control of a permanent you control chosen at random and a permanent target opponent controls chosen at random.