Yu-Gi-Oh! 5D's Duel Transer promotional cards

If this card destroys an opponent's monster by battle: This card gains 300 ATK. If this card does not attack during your turn, the ATK gained from this effect returns to 0 during the End Phase of that turn.

Ape Fighter

All Beast-Type monsters you control gain 100 ATK for each monster in your Graveyard. Field Spell Cards cannot be activated. Field Spell Cards cannot be activated during the turn this card is destroyed.

Closed Forest

If a Beast-Type monster you control attacks a Defense Position monster, inflict piercing battle damage to your opponent. If you inflict battle damage to your opponent with this effect: Target 1 face-up monster your opponent controls; that target loses 500 ATK and DEF. (This remains even if this card leaves the field.)