Mystic Hand vs Heartpiercer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Mystic Hand	Dark Elves	Force	Support	Rare	HP 25% Place: Dungeons
Heartpiercer	Dark Elves	Force	Attack	Uncommon	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Mystic Hand	60	6	16515	804	1123	88	15	50	30	10
Heartpiercer	60	6	12555 -3960	1057 +253	859 -264	89 +1	15	50	30	0 -10

Mystic Hand	Tainted Blade Formula: 2.9*ATK Attacks 1 enemy. Has a 30% chance of placing a [Block Buffs] debuff for 2 turns. Block Buffs	Turn the Tide Formula: 3.9*ATK Attacks 1 enemy. Steals 2 random buffs from the target. Cooldown: 3	Soul Link Formula: TRG_HP*0.25 Heals the ally with the lowest HP by 25%, then equalizes the HP levels of all allies. Cooldown: 5
Heartpiercer	Perforate Formula: 4.6*ATK Attacks 1 enemy.	Sight In Formula: 7.6*ATK Attacks 1 enemy. If the hit is critical, places a 25% [Increase ATK] buff on this Champion for 2 turns. Cooldown: 4 Increase ATK 25%	-