为 截水逸才卡塔拉 寻找最佳的标准套牌，包括其胜率、热度，以及该牌在万智牌：竞技场中的合法赛制！
At the beginning of your end step, if Katara is tapped, put a +1/+1 counter on her.
Waterbend : Draw a card. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for .)
