Ursula, Sea Witch

Hexproof
{u/b}{u/b}{u/b}: Create a 1/1 Eel Enchantment Token
with Deathtouch
{u/b}{u/b}: Attach Eel Token to target creature.
Tap Target Creature. This creature remains
tapped and does not untap during the
untap phase.
{u/b}{u/b}{u/b}{x}{t}: Gain Control of {x} creatures with
Eels Enchantments. Then Destroy All
Eel Tokens.