Untamed Kavu

Kicker {3} (You may pay an additional {3} as you cast this spell.)
Vigilance, trample
If this creature was kicked, it enters with three +1/+1 counters on it.

Simic Guildgate

This land enters tapped.
{T}: Add {G} or {U}.

Forest

Mana Short

Tap all lands target player controls and that player loses all unspent mana.

Tempest Caller

When this creature enters, tap all creatures target opponent controls.

Izzet Guildgate

This land enters tapped.
{T}: Add {U} or {R}.

Time of Ice

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Tap target creature an opponent controls. It doesn't untap during its controller's untap step for as long as you control this Saga.
III — Return all tapped creatures to their owners' hands.

Power Sink

Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

Meekstone

Creatures with power 3 or greater don't untap during their controllers' untap steps.

Serra Sphinx

Drain Power

Target player activates a mana ability of each land they control. Then that player loses all unspent mana and you add the mana lost this way.

Bay Falcon

Tenacious Hunter

As long as a creature has a -1/-1 counter on it, this creature has vigilance and deathtouch.

Theft of Dreams

Draw a card for each tapped creature target opponent controls.

Island

Frozen Aether

Artifacts, creatures, and lands your opponents control enter tapped.

Winter Orb

As long as this artifact is untapped, players can't untap more than one land during their untap steps.

Wary Okapi

Gatebreaker Ram

This creature gets +1/+1 for each Gate you control.
As long as you control two or more Gates, this creature has vigilance and trample.

Icy Blast

Tap X target creatures.
Ferocious — If you control a creature with power 4 or greater, those creatures don't untap during their controllers' next untap steps.

Sleep

Tap all creatures target player controls. Those creatures don't untap during that player's next untap step.

Vedalken Anatomist

{2}{U}, {T}: Put a -1/-1 counter on target creature. You may tap or untap that creature.

Territorial Boar

Whenever a creature you control with power 4 or greater enters, this creature gets +1/+1 and gains vigilance until end of turn.

Zephyr Falcon

Gruul Guildgate

This land enters tapped.
{T}: Add {R} or {G}.

Mudslide

Creatures without flying don't untap during their controllers' untap steps.
At the beginning of each player's upkeep, that player may choose any number of tapped creatures without flying they control and pay {2} for each creature chosen this way. If the player does, untap those creatures.