Thunderblade Sentinel

Thunderblade Sentinel has base power and toughness 2/2.

Whenever Thunderblade Sentinel deals combat damage to a creature, that creature gets -2/-0 until end of turn.

{t}: Attach Thunderblade Sentinel to target creature
you control. Equip {2}

Equipped creature gets +2/+0 and has "Whenever this creature deals combat damage to a player, it deals 1 damage
to target creature or player that player controls."