Target player can't play lands this turn.
Draw a card.

You may cast Twilight's Call as though it had flash if you pay more to cast it. (You may cast it any time you could cast an instant.)
Each player returns all creature cards from their graveyard to the battlefield.

Counter target spell. Its controller loses 3 life.

Flying
Urborg Drake attacks each combat if able.

Kicker (You may pay an additional as you cast this spell.)
When Urborg Emissary enters the battlefield, if it was kicked, return target permanent to its owner's hand.

Urborg Phantom can't block.
: Prevent all combat damage that would be dealt to and dealt by Urborg Phantom this turn.

Other black creatures get -1/-1.

Kicker (You may pay an additional as you cast this spell.)
: Regenerate Urborg Skeleton.
If Urborg Skeleton was kicked, it enters the battlefield with a +1/+1 counter on it.

Urborg Volcano enters the battlefield tapped.
: Add or .

Multicolored spells cost up to less to cast.

Kicker (You may pay an additional as you cast this spell.)
This spell can't be countered.
Urza's Rage deals 3 damage to any target. If this spell was kicked, instead it deals 10 damage to that permanent or player and the damage can't be prevented.

: Add one mana of any color.

Kicker (You may pay an additional as you cast this spell.)
Saproling creatures and other Treefolk creatures get +1/+1.
When Verdeloth the Ancient enters the battlefield, if it was kicked, create X 1/1 green Saproling creature tokens.

Kicker (You may pay an additional as you cast this spell.)
When Verduran Emissary enters the battlefield, if it was kicked, destroy target artifact. It can't be regenerated.

: Viashino Grappler gains trample until end of turn.

Whenever Vicious Kavu attacks, it gets +2/+0 until end of turn.

Kicker (You may pay an additional as you cast this spell.)
Target creature gains trample until end of turn. Whenever that creature deals combat damage this turn, if this spell was kicked, you gain life equal to that damage.

All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay 1 life."

, : Target player discards a card. Activate this ability only any time you could cast a sorcery.

When Vodalian Merchant enters the battlefield, draw a card, then discard a card.