Dust Elemental [Planar Chaos] Elf Scout {T}: Gain control of target

{T}: Gain control of target creature with power less than or equal to the number of Islands you control for as long as Vedalken Shackles remains tapped

Unfortunately

For the chronatog

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Warrior Rarity: Rare Cost: {4}{G} Horsemanship (This creature can't be blocked except by creatures with horsemanship

at any cost

Dust Elemental [Planar Chaos] Elf Scout {T}: Gain control of targetSet: Planar Chaos Type: Creature Elemental Rarity: Rare Cost: {2}{W}{W} Flash (You may cast this spell any time you could cast an instant.) Flying; fear (This creature can't be blocked except by artifact creatures and or black creatures.) When Dust Elemental enters the battlefield, return three creatures you control to their owner's hand.