Toad, Loathsome Lurker

Reach
Dash {1}{g/u} (You may cast this spell for its dash cost.
If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the
next end step.)
Whenever Toad, Loathsome Lurker deals combat damage to a player, put a -1/-1 counter on target creature that player controls.