Soulblade Corrupter
Creature — Human Warrior
Partner with Soulblade Renewer (When this creature enters, target player may put Soulblade Renewer into their hand from their library, then shuffle.)
Deathtouch
Whenever a creature with a +1/+1 counter on it attacks one of your opponents, that creature gains deathtouch until end of turn.
Suzanne Helmigh
Battlebond (BBD)
• #17Rulings
Note that the target player searches their library (which may be affected by effects such as that of Stranglehold) and that the card they find is revealed, even though these words aren't included in the ability's reminder text.
(wotc • 2018-06-08)
A nonlegendary creature can't be your commander, even if it has a "partner with" ability.
(wotc • 2018-06-08)
Soulblade Corrupter's last ability will trigger if a creature an opponent controls with a +1/+1 counter on it attacks another player who's also your opponent.
(wotc • 2018-06-08)
Soulblade Corrupter's last ability won't trigger if a creature without any +1/+1 counters on it attacks and receives a +1/+1 counter any time after attacking.
(wotc • 2018-06-08)
"Partner with [name]" represents two abilities. The first is a triggered ability: "When this permanent enters the battlefield, target player may search their library for a card named [name], reveal it, put it into their hand, then shuffle their library."
(wotc • 2018-06-08)
Soulblade Corrupter's last ability won't trigger if a creature attacks a planeswalker.
(wotc • 2018-06-08)
Rulings
Note that the target player searches their library (which may be affected by effects such as that of Stranglehold) and that the card they find is revealed, even though these words aren't included in the ability's reminder text.
(wotc • 2018-06-08)
A nonlegendary creature can't be your commander, even if it has a "partner with" ability.
(wotc • 2018-06-08)
Soulblade Corrupter's last ability will trigger if a creature an opponent controls with a +1/+1 counter on it attacks another player who's also your opponent.
(wotc • 2018-06-08)
Soulblade Corrupter's last ability won't trigger if a creature without any +1/+1 counters on it attacks and receives a +1/+1 counter any time after attacking.
(wotc • 2018-06-08)
"Partner with [name]" represents two abilities. The first is a triggered ability: "When this permanent enters the battlefield, target player may search their library for a card named [name], reveal it, put it into their hand, then shuffle their library."
(wotc • 2018-06-08)
Soulblade Corrupter's last ability won't trigger if a creature attacks a planeswalker.
(wotc • 2018-06-08)