Pygmy Hippo 矮黑河马
{G}{U}
Whenever this creature attacks and isn't blocked, you may have defending player activate a mana ability of each land they control and lose all unspent mana. If you do, this creature assigns no combat damage this turn and at the beginning of your next main phase this turn, you add an amount of {C} equal to the amount of mana that player lost this way.
若矮黑河马攻击且未被阻挡，你可选择使牠此回合不造成任何战斗伤害。若你如此做，防御玩家须利用其全部所有地抽取魔法力，然后该玩家的魔法力池成空。在战斗后，加等量无色魔法力到你的魔法力池中。
每当此生物攻击且未受阻挡时，你可以令防御牌手起动所有由其操控之地的法术力异能，且失去所有未使用的法术力。若你如此作，则此生物本回合不分配战斗伤害，且在本回合你的下一个行动阶段开始时，你加若干{C}，其数量等同于该牌手以此法失去的法术力数量。
Paratranz
单卡释疑
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(2013-04-15) 翻译来源：官方
满足以下条件时，当某物「攻击且未受阻挡」时触发的异能会在宣告阻挡者步骤中宣告完阻挡者后触发：(1)该生物正进行攻击，且(2)没有宣告生物来阻挡它。就算该生物是以「正进行攻击」的状态进入战场，而非在宣告攻击者步骤中被宣告为攻击者，该异能依然会触发。
An ability that triggers when something "attacks and isn't blocked" triggers in the declare blockers step after blockers are declared if (1) that creature is attacking and (2) no creatures are declared to block it. It will trigger even if that creature was put onto the battlefield attacking rather than having been declared as an attacker in the declare attackers step. -
(2013-04-15) 翻译来源：官方
符合下列条件的异能，便属于法术力异能：(1)并非忠诚异能；(2)不指定目标；以及(3)异能结算时会加法术力。
A mana ability is an ability that (1) isn't a loyalty ability, (2) doesn't target, and (3) could add mana when it resolves.