Players can't gain life this turn. Damage can't be prevented this turn. Skullcrack deals 3 damage to target player or planeswalker.

Equipped creature gets +1/+0 and can't be blocked by creatures with flying.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Enchant land
Enchanted land has ": Target creature gains flying until end of turn. Activate this ability only any time you could cast a sorcery."

Flying, haste

Whenever Slate Street Ruffian becomes blocked, defending player discards a card.

Bloodrush — , Discard Slaughterhorn: Target attacking creature gets +3/+2 until end of turn.

Destroy target blocked creature.

Flying
Creatures with flying your opponents control get -1/-1.

Enchant creature
You control enchanted creature.
Discard two cards: Soul Ransom's controller sacrifices it, then draws two cards. Only any opponent may activate this ability.

Trample, lifelink, haste
At the beginning of the end step, sacrifice Spark Trooper.

Counter target spell unless its controller pays , where X is the greatest power among creatures you control.

Spire Tracer can't be blocked except by creatures with flying or reach.

Create a token that's a copy of target artifact or creature.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

(: Add or .)
As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Target player sacrifices an artifact and a land. Structural Collapse deals 2 damage to that player.

: Creatures you control get +1/+0 until end of turn.
: Create a 1/1 red and white Soldier creature token with haste.

Reach
When Sylvan Primordial enters the battlefield, for each opponent, destroy target noncreature permanent that player controls. For each permanent destroyed this way, search your library for a Forest card and put that card onto the battlefield tapped. Then shuffle your library.

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

: Add .
, : Thespian's Stage becomes a copy of target land, except it has this ability.