Lineprancers

Creature - Centaur/Performer
When Lineprancers enters the battlefield, you get {T}{T}, then you may put a power and toughness sticker on a creature you own. <CR>
{3}{G}: Target creature you don't control blocks target creature you control with a power and toughness sticker on it other than Lineprancers this turn if able.

Creature - Centaur/Performer
When this creature enters, you get [TK][TK], then you may put a power and toughness sticker on a creature you own. <CR>
{3}{G}: Target creature you don't control blocks target creature you control with a power and toughness sticker on it other than this creature this turn if able.