Rattata

When Rattata is declared as an attacker or a blocker, choose one.
Quick attack: Rattata gets +2/+0 and First
Strike until end of turn.
Hyper fang: Rattata gets +4/+0 until end of
turn.
{3}: activate only if Rattata is using hyper fang. Target creature blocking rattata has its power reduced to 0 until end of turn.