
Whenever a creature an opponent controls attacks one of your opponents, doubledoubleAll spells and abilities cast, activated, or triggered by you are copied. Mana abilities produce twice as much mana. its power until end of turn.
: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.)
When this creature becomes monstrous, goadgoadUntil your next turn, It attacks each combat if able and attacks a player other than you if able. up to X target creatures your opponents control.
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.