Whenever a creature an opponent controls dies, Altac Bloodseeker gets +2/+0 and gains first strike and haste until end of turn. (It deals combat damage before creatures without first strike, and it can attack and as soon as it comes under your control.)

When Ampryn Tactician enters the battlefield, creatures you control get +1/+1 until end of turn.

Haste
, Discard a card: Draw a card.
Whenever you discard a card, if it has madness, untap Anje Falkenrath.

Flying, vigilance

Flying
As long as Archangel of Tithes is untapped, creatures can't attack you or a planeswalker you control unless their controller pays for each of those creatures.
As long as Archangel of Tithes is attacking, creatures can't block unless their controller pays for each of those creatures.

Spells and abilities your opponents control can't cause their controller to search their library.
[−1]: Target player mills four cards. Then exile each opponent's graveyard.

Deathtouch
, Sacrifice another creature: You gain life equal to the sacrificed creature's toughness.
, Sacrifice another creature: Exile target nonland permanent. Activate this ability only if you have at least 10 life more than your starting life total.

, Sacrifice another creature: Put a +1/+1 counter on Blood Host and you gain 2 life.

Bloodcrazed Neonate attacks each combat if able.
Whenever Bloodcrazed Neonate deals combat damage to a player, put a +1/+1 counter on it.

Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles their library.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Exile target card from a graveyard.
Draw a card.

Target player creates X 2/2 black Zombie creature tokens, then up to one target creature gets -1/-1 until end of turn for each Zombie that player controls.

Flying
Landfall — Whenever a land enters the battlefield under your control, you may return target nonland permanent card from your graveyard to your hand. If that land is a Plains, you may return that nonland permanent card to the battlefield instead.

Whenever an opponent loses life, you gain that much life.

Flying
Whenever a source an opponent controls deals damage to you or a permanent you control, you may have Flameblade Angel deal 1 damage to that source's controller.

Tap two untapped artifacts you control: Ghirapur Aether Grid deals 1 damage to any target.

Harsh Sustenance deals X damage to any target and you gain X life, where X is the number of creatures you control.

Flying, haste
Impetuous Sunchaser attacks each combat if able.

: Incendiary Oracle gets +1/+0 until end of turn.
If a creature dealt damage by Incendiary Oracle this turn would die, exile it instead.