Alastor, The Radio Demon

Level Up {1}{b/r}
1-3 First Strike and Hexproof 2/3
4-9 Double Strike, Intimidate, Hexproof 4/5
10 Keeps previous abilities. Pay {x}{b/r}{b/r},{t} you now own and control that creature it can't exit the battlefield until Alastor, The Radio Demon exits the battlefield, where {x} is the creatures converted mana cost. 8/8