Quote from Nickciufi23 »
Counterspell is an interesting idea, but I don't think it'll make the cut. Universal counters have generally not been made in Modern for under 3 mana.
Quote from KarmaHoudini »
Each spell you cast this turn gains storm and ‘This spell deals 1 damage to you’.
Quote from clan_iraq »
When Watchtower enters the battlefield, create a tapped 1/1 white Human Scout creature token.
T, tap an untapped creature you control: Add one mana of any color.