As Ancient Amphitheater enters the battlefield, you may reveal a Giant card from your hand. If you don't, Ancient Amphitheater enters the battlefield tapped.

: Add or .

When Architects of Will enters the battlefield, look at the top three cards of target player's library, then put them back in any order.

Cycling (, Discard this card: Draw a card.)

Equipped creature gets +2/+2 and has menace. (It can't be blocked except by two or more creatures.)

Equip

Haste

Menace (This creature can't be blocked except by two or more creatures.)

When Chittering Host enters the battlefield, other creatures you control get +1/+0 and gain menace until end of turn.

When Chittering Witch enters the battlefield, create a number of 1/1 black Rat creature tokens equal to the number of opponents you have.

, Sacrifice a creature: Target creature gets -2/-2 until end of turn.

+1: You gain 2 life and draw a card.

−1: Tap target creature. It doesn't untap during its controller's next untap step.

−9: Tap all permanents target opponent controls. That player skips their next untap step.

Ghitu Encampment enters the battlefield tapped.

: Add .

: Ghitu Encampment becomes a 2/1 red Warrior creature with first strike until end of turn. It's still a land. (It deals combat damage before creatures without first strike.)

Flash (You may cast this spell any time you could cast an instant.)

Enchant creature

: Enchanted creature gets +1/+0 until end of turn.

: Return Ghitu Firebreathing to its owner's hand.

When Ghitu Journeymage enters the battlefield, if you control another Wizard, Ghitu Journeymage deals 2 damage to each opponent.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Ghitu Slinger enters the battlefield, it deals 2 damage to any target.

Other blue creatures you control get +1/+1.

: Target artifact creature becomes blue until end of turn.

Tap an untapped blue creature you control: Add . Spend this mana only to cast artifact spells or activate abilities of artifacts.

Reach

, Exile a nonland card from your hand: Put four time counters on the exiled card. If it doesn't have suspend, it gains suspend. (At the beginning of your upkeep, remove a time counter from that card. When the last is removed, cast it without paying its mana cost. If it's a creature, it has haste.)

: Malachite Golem gains trample until end of turn.

Mephitic Ooze gets +1/+0 for each artifact you control.

Whenever Mephitic Ooze deals combat damage to a creature, destroy that creature. The creature can't be regenerated.

, : Look at the top X cards of your library, where X is the highest converted mana cost among artifacts you control. You may reveal an artifact card from among them and put it onto the battlefield. Put the rest on the bottom of your library in any order.

Protection from black

: Order of the White Shield gains first strike until end of turn.

: Order of the White Shield gets +1/+0 until end of turn.

Attacking creatures you control get +1/+0 until end of turn for each other attacking creature.

, : You gain 4 life. Activate this ability only if you control a Yanggu planeswalker.

, : Put a charge counter on White Mana Battery.

, Remove any number of charge counters from White Mana Battery: Add , then add an additional for each charge counter removed this way.

Protection from black

: White Shield Crusader gains flying until end of turn.

: White Shield Crusader gets +1/+0 until end of turn.

Enchant creature

Enchanted creature has protection from white. This effect doesn't remove White Ward.

All creatures lose flying until end of turn.

Sacrifice a snow land: Return Whiteout from your graveyard to your hand.

Constellation — Whenever Whitewater Naiads or another enchantment enters the battlefield under your control, target creature can't be blocked this turn.