Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.): Regenerate Grim Roustabout.
TrampleVolatile Rig attacks each combat if able.Whenever Volatile Rig is dealt damage, flip a coin. If you lose the flip, sacrifice Volatile Rig.When Volatile Rig dies, flip a coin. If you lose the flip, it deals 4 damage to each creature and each player.
DefenderWhen Gatecreeper Vine enters, you may search your library for a basic land card or a Gate card, reveal it, put it into your hand, then shuffle.
: Target creature gains flying until end of turn.: Detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)
As Tablet of the Guilds enters, choose two colors.Whenever you cast a spell, if it's at least one of the chosen colors, you gain 1 life for each of the chosen colors it is.
FlyingAt the beginning of each combat, any opponent may sacrifice a creature of their choice. If a player does, tap this creature and put a +1/+1 counter on it.
: Add or .: Until end of turn, Izzet Keyrune becomes a 2/1 blue and red Elemental artifact creature.Whenever Izzet Keyrune deals combat damage to a player, you may draw a card. If you do, discard a card.
When Azorius Justiciar enters, detain up to two target creatures your opponents control. (Until your next turn, those creatures can't attack or block and their activated abilities can't be activated.)
