Silent Assassin [Mercadian Masques]

Silent Assassin [Mercadian Masques]Set: Mercadian Masques Type: Creature Human Mercenary Assassin Rarity: Rare Cost: {B}{B} {3}{B}: Destroy target blocking creature at end of combat. She feels no need to disturb her victim's slumber.

and that both brothers used them

Set: Tenth Edition Type: Creature — Human Soldier Rarity: Rare Cost: {1}{W}{W} Other Soldier creatures get +1/+1 and have first strike

Set: Commander Anthology Type: Artifact — Equipment Rarity: Uncommon Cost: {2} Equipped creature has hexproof and haste

If each of those creatures could be blocked by all creatures that the other is blocked by

"Freyalise has cleansed our bodies and minds of the plagues of Kjeldor

not really

Set: Core Set 2019 Type: Instant Rarity: Common Cost: {1}{U}{U} Counter target spell

Emberwilde Caliph attacks each combat if able

but even heroes break

Necromancers are judged by the most powerful undead they've ever created

Set: Conspiracy: Take the Crown Type: Creature — Human Soldier Rarity: Common Cost: {3}{W} When Palace Sentinels enters the battlefield

That creature gets -4/-4 instead if you control a creature named Bogbrew Witch