Flying
At the beginning of your end step, you may exile a card you own from outside the game. Put that card into your hand unless an opponent pays {2} and 2 life.

{U}: Volatile Sergeant gets +0/+1 until end of turn.
{R}: Volatile Sergeant gets +1/+0 until end of turn.

When Vorpal Titan enters, destroy all nonbasic lands.

Enchant creature
Enchanted creature gets +1/+0 and can't be blocked.
{3}{U}{U}, Exile Voyage to the Siren Sea from your graveyard or the battlefield: Take an extra turn after this one. Activate only as a sorcery and only if two or more creatures you control dealt combat damage to an opponent this turn.

You may cast target instant or sorcery card from your graveyard this turn. If that card would be put into your graveyard this turn, exile it instead.
Add one mana of any color for each time you've amped it up this turn.

Trample, haste
Solidarity
At the beginning of your end step, sacrifice Vukoroq Defector unless you sacrifice a token named Solidarity.

Target player discards two cards and loses 2 life. If this spell's flashback cost was paid, instead that player discards a card and loses 1 life.
Flashback {B}

Target artifact or creature you control becomes an artifact creature with base power and toughness 5/5 until end of turn.

Enchant artifact or land
Enchanted permanent has “{T}: Add one mana of any color.”
Whenever enchanted permanent becomes a creature, untap it.
Wander {2}{G}

Target creature can't be blocked this turn. If this spell's flashback cost was paid, put a +1/+1 counter on that creature.
Flashback {1}{U}

You gain 4 life. If this spell's flashback cost was paid, draw a card.
Flashback {3}{W}

Choose one —
• Walk the Dead's Path deals 3 damage to target attacking or blocking creature.
• Destroy target enchantment.

Trample
When Wallbreaker enters, put a +1/+1 counter on up to one other target creature you control with trample. If you do, you may have that creature deal damage equal to its power to target creature or planeswalker you don't control.

Indulgence
Whenever you indulge, you may untap target permanent you control.

When Wandering Hedge-Mage enters, you may return target instant or sorcery card from your graveyard to your hand. If it had mana value 4 or greater, create a Treasure token.

Whenever one or more creatures attack you, create a Food token.

{2}, {T}: Scry 1.

Flying
When Warcast Seraph enters, put a +1/+1 counter on each other artifact creature you control.

Ward {3}
At the beginning of your end step, create a 1/1 green Goat Spirit creature token. For each kind of counter on Warden of Herds, you may put that many counters of that kind on that token.

Prowess, prowess

Vigilance
{T}: Scry 1.
Spellcharge 5

Target creature gets +4/-2 until end of turn.

{T}, Sacrifice Warpway Rings: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Approval — When Warrant-Borne Cop enters, target player reveals X cards from their hand, where X is the number of colors among permanents you control. You choose one of them. That player discards that card.

{T}: Add {C}.
Whenever Wasted Watchpost deals combat damage to a player, you may sacrifice it. When you do, destroy target nonbasic land that player controls.
Spellcharge 3