Credits to Woddish (discord) for the translation
[ON PLAY] These effects activate when the Character with the effect is Played on the Field.
[ACTIVATE: MAIN] You can activate these effects during your Main Phase.
[YOUR TURN] These effects take effect during your turn.
[END OF YOUR TURN]: These effects activate during your End Phase.
[MAIN] Event cards with these effects can be played during your Main Phase.
[COUNTER] Cards with these effects can be played during the Counter Step of your opponent’s turn.
(ONCE PER TURN) These effects can only be activated once per each individual turn.
[DON!! X1] These effects either take effect or can be activated when 1 or more Don!! Cards are attached to the character with the effect. The amount of Don!! Cards required to be attached depends on the listed number.
(1) You can activate these effects by Resting 1 Don!! Card in your Cost Area. The amount of Don!! Cards you’re required to rest depends on the listed number.
[DON!! -1] You can activate these effects by returning 1 Don!! Card from your field (Leader Area, Character Area, Cost Area) to your Don!! Deck. The amount of Don!! Cards you’re required to return depends on the listed number. You can return Active, Rested, and/or Attached Don!! Cards.
"BLOCKER" You can activate this effect during the Block Step. The character with this effect takes the attack in the place of your Leader or Character that was targeted by your opponent.
"RUSH" Characters with this effect can attack the turn that they are Played.
"DOUBLE ATTACK" When a Character with this effect deals damage to your opponent’s Leader, they deal 2 damage instead of 1.
"BANISH" When a Character with this effect deals damage to your opponent’s Leader, the Life card is placed in the trash and any Trigger effects don’t activate.