When this enchantment enters, create a token that's a copy of target nontoken creature. When this enchantment leaves the battlefield, exile the token. When the token leaves the battlefield, sacrifice this enchantment. At the beginning of your upkeep, sacrifice this enchantment unless you pay {U}{U}.
"As we neared, Belfar proclaimed the wall to be made of glass and went forward to prove it. We had no choice but to pull his hands free from where he had touched it, leaving flesh palmprints on the icy wall." —Tross, Vainus Expedition leader
Choose one — • Counter target spell if it's red. • Destroy target permanent if it's red.
"Heed the lessons of our time: the forms of water may move the land itself and hold captive the fires within." —Gustha Ebbasdotter, Kjeldoran royal mage
You and target player exchange control of the creature you each control with the highest mana value. Then exchange control of artifacts the same way. If two or more permanents a player controls are tied for highest, their controller chooses one of them.
Trample This creature enters tapped and doesn't untap during your untap step. At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap this creature. This creature can't attack unless you sacrifice two Islands.