Whenever you investigate for the first time each turn, investigate an additional time. {T}, Sacrifice an artifact: Cadalon Inspector deals 2 damage to any target.
Haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When Favoured Firebrand dies, you may pay {U}{R} any number of times. Whenever you do, Favoured Firebrand deals 2 damage to any target and you draw a card.
Whenever an Aura you control enters, untap Fuming Lawmaker. {1}, {T}: For each opponent, Fuming Lawmaker deals 1 damage to that player or a planeswalker they control. Scry 1.
You may cast Hunter of the Moon-Serpent from your graveyard as long as you gained life this turn.
“There is no turning back once you enter the labyrinth,” warned the snake. “As surely as the path will unfold before you, the hunters are never far behind.”
Beachhead Partisan has first strike as long as it's attacking. When Beachhead Partisan enters, it deals X damage to any target, where X is the number of tapped creatures you control.
Xenocrata was sending Kanvar and his men onto the beachhead first. It was a death sentence, and Cathette's sign that it was time to act.
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.
Stinging Swordfish has first strike as long as it's attacking. When Stinging Swordfish dies, create an Equipment enchantment artifact token named Fish Sword with “Equipped creature gets +3/+1,” “Equipped creature has first strike as long as it's attacking,” and equip {2}. You may attach that token to a creature you control.
When Sacrifice to Setar dies, surveil X, where X is the amount of damage dealt to them this turn. Draw a card. Then if X is 3 or greater, you may return Sacrifice to Setar to the battlefield transformed.
Mianju enters with your choice of a menace or +1/+1 counter on them. Whenever two or more creatures in Mianju's pack attack, mill three cards, then return a creature card from your graveyard to your hand. (Two or more creatures you control with equal power are in a pack.)
When Div of Bonded Souls enters, create a 1/1 colorless Illusion creature token with “This creature is every creature type.” Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.
First strike Other Rogues you control get +1/+0 and have first strike. {2}, Sacrifice a permanent: Return target Rogue card from your graveyard to your hand.
Flying, vigilance When Guardian Grotesque dies, return up to one target nonland permanent to its owner's hand. Foreshadow {6}(You may cast this spell for its foreshadow cost. If you do, also trigger its “dies” abilities when it enters.)
Ravenous Hollow enters tapped. {T}: Add {B} or {R}. {2}{B}{R}: Until end of turn, Ravenous Hollow becomes a Wolf creature with first strike in addition to its other types. Scavenge {2}{B}{R}
Spiny Ridge enters tapped. When it does, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this, then you may put that card into your graveyard.) {T}: Add {R}. {4}{R}: Spiny Ridge becomes a Lizard creature. (This effect lasts indefinitely.)