A Couple Random Cards

[The Dark Knight]

Titan Berserker
|EARTH|*4|Beast-Warrior/Effect|1800/1000|
When this monster destroys an opponent's monster as a result of battle, increase this card's ATK equal to half the destroyed monster's ATK. Once per turn,when this monster destroys an opponent's monster as a result of battle, you can halve this card's ATK to attack again.

Shock-Absorbing Knight
|WATER|*4|Warrior/Effect|1700/1600|
When a Trap Card is activated that targets a card on the field, switch the target to this card.

[i]And, not sure if I posted these already at one point, but...[/i]

Tri-Soldier, Delta
|LIGHT|*4|Warrior/Effect|1000/0|
When this card is destroyed and sent to the Graveyard, Special Summon 1 “Tri-Soldier, Kappa” from your deck.

Tri-Soldier, Kappa
|DARK|*5|Warrior/Effect|2000/1000|
This card cannot be Normal Summoned or Set. This card can only be Special Summoned with the effect of “Tri-Soldier, Delta.” When this card is destroyed and sent to the Graveyard, Special Summon 1 “Tri-Soldier, Sigma” from your deck.

Tri-Soldier, Sigma
|LIGHT|*7|Warrior/Effect|3000/2000|
This card cannot be Normal Summoned or Set. This card can only be Special Summoned with the effect of “Tri-Soldier, Kappa.” When this card is destroyed and sent to the Graveyard, Special Summon 1 “Tri-Soldier, Delta” from your deck.