Steam Vents

(T: Add B or R.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

All damage that would be dealt to you and other permanents you control is dealt to this creature instead.

At the beginning of your upkeep, target opponent reveals the top three cards of their library, may put a creature card from among them onto the battlefield, then puts the rest into their graveyard. You do the same with the top three cards of your library. If two creatures are put onto the battlefield this way, those creatures fight each other.

Flying 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.) This creature has trample as long as it has a +1/+1 counter on it.

T: Add C. 3GW, T, Tap two untapped creatures you control, Sacrifice this land: Create an 8/8 green and white Elemental creature token with vigilance.

At the beginning of your upkeep, you may exchange control of this enchantment and target permanent you neither own nor control.

At the beginning of your upkeep, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

When this enchantment enters, exile the top five cards of your library. Whenever you play a card with the same name as one of the exiled cards, you may put one of those cards with that name into its owner's hand. Then if there are no cards exiled with this enchantment, sacrifice it. If you do, take an extra turn after this one.