Haste

Enchant creature you control
When enchanted creature deals combat damage to a player, sacrifice it and attach Breath of Fury to a creature you control. If you do, untap all creatures you control and after this phase, there is an additional combat phase.

You may pay rather than pay this spell's mana cost.
Trample
At the beginning of your upkeep, you may return target artifact card from your graveyard to the battlefield.

Equipped creature gets +2/+0.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

: You may put a land card from your hand onto the battlefield. If you control ten or more lands, flip Budoka Gardener.

Trample
Whenever Bull Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

Target opponent loses 3 life.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.)
: Target creature can't block Burning-Tree Bloodscale this turn.
: Target creature blocks Burning-Tree Bloodscale this turn if able.

You may assign Butcher Orgg's combat damage divided as you choose among defending player and/or any number of creatures they control.

First strike (This creature deals combat damage before creatures without first strike.)
: Capashen Knight gets +1/+0 until end of turn.

Equipped creature gets +2/+0, has menace, and is a Pirate in addition to its other creature types.
Whenever Captain's Hook becomes unattached from a permanent, destroy that permanent.
Equip

Flying
When Carrion Imp enters the battlefield, you may exile target creature card from a graveyard. If you do, you gain 2 life.

Gain control of target permanent until end of turn. Untap it. It gains haste until end of turn.
Fuse (You may cast one or both halves of this card from your hand.)

Flying
Whenever Cavalry Pegasus attacks, each attacking Human gains flying until end of turn.

Heroic — Whenever you cast a spell that targets Centaur Battlemaster, put three +1/+1 counters on Centaur Battlemaster.

Target opponent reveals the top card of their library. Cerebral Eruption deals damage equal to the revealed card's converted mana cost to that player and each creature that player controls. If a land card is revealed this way, return Cerebral Eruption to its owner's hand.

Destroy target creature. Its controller loses 2 life and you gain 2 life.

[+1]: Chandra Nalaar deals 1 damage to target player or planeswalker.
[−X]: Chandra Nalaar deals X damage to target creature.
[−8]: Chandra Nalaar deals 10 damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.

Double strike
: Char-Rumbler gets +1/+0 until end of turn.

Whenever Charging Paladin attacks, it gets +0/+3 until end of turn.