Flying When Heaven's End Chronicler enters, mill three cards, then choose three cards in your graveyard. An opponent separates them into two piles. Return one pile to your hand.
You may exert Heavenly Bull as it attacks. When you do, it gains indestructible until end of turn. (An exerted creature won't untap during your next untap step.) {3}{G}{W}: Destroy all nonland permanents with mana value 3 or less. Activate only if Heavenly Bull is attacking and only once.
For every knight of noble blood, there is another of common heritage. With no family gold to keep their gear and steed in good shape, their options are limited. Find a generous employer, earn tribute at tourneys, or take what they can from those even lower than themselves.
Trial 3 (As you cast this spell, an opponent of your choice may pay 3 life. If they don't, they fail the trial.) When Heedless Adversary enters, you may have it deal 3 damage to target creature if that creature's controller failed the trial.
“I'll chase you to the ends of this world and beyond.”
When Heirloom Seeker enters, you may search your library for an Equipment card, reveal it, then shuffle and put that card on top of it. Heirloom Seeker has first strike as long as it's equipped.
Flying When Helar Ritualist enters or whenever you cast a spell, if {W}{B} was spent to cast it, each opponent loses 3 life and you gain 3 life. Put a +1/+1 counter on Helar Ritualist.
Flying, lifelink When Helar's Herald dies, target opponent may give themselves two poison counters. If they do, return Helar's Herald to its owner's hand. Otherwise, return Helar's Herald to the battlefield tapped under its owner's control.
Menace {1}{B}{R}: Creatures you control get +1/+0 until end of turn.
“Some trainers go for the wildest of monsters and put all their effort into restraining them. Their lack of trust is their greatest weakness.” —Masaru, aspiring champion
Flying, prowess Whenever one or more creatures attack, you gain life equal to the greatest power among those creatures. Whenever you cast a white spell, you may have Heraldry become an Angel creature in addition to its other types or stop being a creature.
Beckon Ox {1}{W}({1}{W}: This enchantment permanently becomes an Ox creature in addition to its other types.) Vigilance Whenever a creature or another enchantment you control enters, you gain 1 life.
Deathtouch Whenever a storied permanent you control enters, remove up to two counters from target creature or planeswalker an opponent controls. (Enchantments and legendary permanents are storied.)
Colossal 2—{6}{W}{W}(You may cast this for its colossal cost to have it enter with two +1/+1 counters; or pay {6}{W}{W} as a sorcery: Put two +1/+1 counters on it if it has none.) When Heroes' Adversary's colossal ability puts one or more counters on it, exile target creature an opponent controls until Heroes' Adversary leaves the battlefield.
First strike, lifelink Once each turn, when another nontoken creature you control dies, you may create a 2/2 white Elk Spirit creature token with first strike and lifelink named Fawn of Hesediel.