They might reduce the powers of opposing creatures or equalize games by killing large numbers of creatures at once
// Vigilance On turns where the effect of Summon: Yojimbo's second or third chapter ability is applying, your opponents can choose not to attack with a creature that must attack if able as long as there is no other player, planeswalker, or battle for that creature to attack that wouldn't require a cost
It was given out in cinemas across the UK
That said, ability doubling is strong, regardless of what strategy you're aiming for, and many old ally cards have ETBs worth doubling with Katara in play
Develop your strategic skills as you progress through various levels, enhancing your abilities to become a BAM master
Chi-Yu ex A strong Pokemon SAR below the Iono layer