
VigilanceVigilanceAttacking doesn't cause this creature to tap., trampletrampleExcess combat damage it deals to a blocker carries over to the player or planeswalker it's attacking.
Other modifiedmodifiedA creature is modified if it has a counter on it, is equipped, or is enchanted by an Aura you control. creatures you control have vigilancevigilanceAttacking doesn't cause this creature to tap. and trampletrampleEquipment, Auras you control, and counters are modifications.. (Equipment, Auras you control, and counters are modifications.)
Cosmo Memory — When Red XIII enters, return target Aura or Equipment card from your graveyard to your hand.
Hover an underlined rule to see what it means.
Read from the rules text. A card that enables a keyword makes or is the thing; a card that rewards it gets better when you have it. Two cards interact when one enables what the other rewards.