Defender, flying, first strike Cumulative upkeep {U}
"Let them see what is not there and feel what does not touch them. When they no longer trust their senses, that is the time to strike." —Gerda Äagesdotter, Archmage of the Unseen
Untap target artifact, creature, or land. Draw a card at the beginning of the next turn's upkeep.
"The potential for change lies in all things. Know a thing's nature, know its possibilities, and know it anew." —Gustha Ebbasdotter, Kjeldoran Royal Mage
{1}{U}, {T}: Untap target artifact an opponent controls and gain control of it until end of turn. It gains haste until end of turn. When you lose control of the artifact, tap it.
"Although my official log will state there is no evidence pointing to the existence of the Mistfolk, my certainty is lessened by the cursed consistency of the expedition's eyewitness accounts." —Disa the Restless, journal entry
Cumulative upkeep {1} {T}: Put a music counter on target creature. If it doesn't have "At the beginning of your upkeep, destroy this creature unless you pay {1} for each music counter on it," it gains that ability.
Flying {T}: Target creature you control with toughness 2 or less gets +1/+1 and gains flying until end of turn. When Phantasmal Mount leaves the battlefield this turn, sacrifice that creature. When the creature leaves the battlefield this turn, sacrifice Phantasmal Mount.
Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle. Draw a card at the beginning of the next turn's upkeep.
Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.
Untap target creature an opponent controls and gain control of it until end of turn. That creature gains haste until end of turn. When you lose control of the creature, tap it.
Cumulative upkeep {1}{U}{U} If tapped for mana, Plains produce {R}, Swamps produce {G}, Mountains produce {W}, and Forests produce {B} instead of any other type.
"Nothing is as it seems." —Gerda Äagesdotter, Archmage of the Unseen
"It rose above our heads, above the ship, and still higher yet. No foggy, ice-laden sea in the world could frighten me more." —General Jarkeld, the Arctic Fox