Haste
Whenever Thraximundar attacks, defending player sacrifices a creature.
Whenever a player sacrifices a creature, you may put a +1/+1 counter on Thraximundar.

As long as Thunderstaff is untapped, if a creature would deal combat damage to you, prevent 1 of that damage.
, : Attacking creatures get +1/+0 until end of turn.

At the beginning of each upkeep, you may tap or untap target permanent.

Flying
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Sacrifice two creatures: Create a 3/1 red Beast creature token named Carnivore.

Flying

, : Draw four cards.

As an additional cost to cast this spell, pay X life.
All creatures get -X/-X until end of turn.

Tranquil Thicket enters the battlefield tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

Transguild Promenade enters the battlefield tapped.
When Transguild Promenade enters the battlefield, sacrifice it unless you pay .
: Add one mana of any color.

As True-Name Nemesis enters the battlefield, choose a player.
True-Name Nemesis has protection from the chosen player. (This creature can't be blocked, targeted, dealt damage, or enchanted by anything controlled by that player.)

Tumble deals 6 damage to each creature with flying.

Put target nonland permanent into its owner's library just beneath the top X cards of that library.

: Add .
, : Create a 2/2 colorless Assembly-Worker artifact creature token.

Flying
, Return two lands you control to their owner's hand: Copy target instant or sorcery spell. You may choose new targets for the copy.

Mountaincycling , forestcycling (, Discard this card: Search your library for a Mountain or Forest card, reveal it, put it into your hand, then shuffle your library.)

Flying, deathtouch, lifelink

At the beginning of your upkeep, you may put a verse counter on Vile Requiem.
, Sacrifice Vile Requiem: Destroy up to X target nonblack creatures, where X is the number of verse counters on Vile Requiem. They can't be regenerated.

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

At the beginning of each opponent's upkeep, Viseling deals X damage to that player, where X is the number of cards in their hand minus 4.