[CNT] "Giant Killer": Choose 1 level 3 enemy unit and destroy it.

"In the Nick of Time": While you have 3 or less life left, this costs 1 to normal summon and has Sentinel Summoning (Instant Action: If it's currently your opponent's turn, normal summon this.).

[TD] [OD] "Twin Ray Guns": Choose 1 enemy unit and deal 3 damage to it.