Gates to the Underworld enters tapped.
{T}: Add {W} or {B}.
{5}{W/B}: Gates to the Underworld becomes a 3/4 white and black Construct creature with lifelink until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to white and black. Activate only once each turn.

Trample, haste
Landfall — When a land you control enters, target creature can't block this turn.
At the beginning of your end step, return Generator Alpha or a land you control to its owner's hand.

When this creature enters, search your library for a basic land card, cache it, then shuffle.

Look at the top six cards of your library. You may put a permanent card from among them onto the battlefield. If a creature is put onto the battlefield this way, put X +1/+1 counters on it, where X is its power. Put the rest of the cards on the bottom of your library in a random order.

At the beginning of combat on your turn, you may put a +1/+1 counter on another target creature you control.
{R}{G}: Gereishin's Presence becomes a 3/2 Dragon creature with flying in addition to its other types.

Flying
When Gereishin enters, if it was cast, you may cast a Dragon spell or a spell with mana value 6 or less from your hand without paying its mana cost.
Once during each of your turns, when you spend less mana to cast a spell than its mana value, you may have Gereishin deal damage to up to one target creature equal to the difference.

[+1]: Up to one target creature gets +2/+0 and gains haste until end of turn.
[–1]: Add {R}. If Gericho, Ageless Wanderer entered this turn, add {R}{R} instead.
[0]: Exile Gericho and the top X cards of your library, where X is the number of loyalty counters on him. You may play cards exiled this way until the end of your next turn.

Vigilance
Approval — {1}{G}: Target creature gets +X/+X until end of turn, where X is the number of colors among permanents you control. Activate only once each turn and only as a sorcery.

This spell costs {1} less to cast for each card with a cycling ability in your graveyard.
Reach

Whenever one or more creatures you control deal combat damage to an opponent, exile the top card of your library. Then you may create a 1/1 colorless Construct artifact creature token. If you don't, you may play the exiled card until end of turn.

Enchant creature
When this Aura enters, draw a card.
If one or more +1/+1 counters would be put on enchanted creature, that many plus one +1/+1 counters are put on it instead.

Whenever you play a card with mana value equal to the number of charge counters on Gilded Font, put a charge counter on it.
{2}, Sacrifice Gilded Font: You draw X cards and gain twice X life, where X is the number of charge counters on Gilded Font.

If you have more life than your starting life total, this spell costs {X} less to cast, where X is equal to the difference.
Trample
When Glacier Guardian enters, you may have it fight target creature you don't control.

When Glassblower's Forge enters, draw a card.
{1}, {T}, Sacrifice Glassblower's Forge and another artifact or enchantment: Draw a card.

Gleaming Hot Springs enters tapped unless you control a Mountain.
{T}: Add {W} or {U}.

Haste
Whenever you cast a spell that targets Glint-Glyph Oracle, you may discard a card. If you do, draw two cards if Glint-Glyph Oracle is attacking or draw a card otherwise.

When this land enters, sacrifice it. If you do, search your library for a basic Mountain or Plains card, put it onto the battlefield tapped, then shuffle.
{1}{R}{R}{W}{W}, Discard this card: Creatures you control get +2/+1 until end of turn.

Target creature gets +3/+1 until end of turn.
Create a tapped Treasure token.

Before equipped creature would assign, deal, or be dealt damage, sacrifice Gold Berry. If you do, equipped creature gets +2/+2 until end of turn.
When you sacrifice Gold Berry, create a Berry token and a Treasure token.
Equip {1}

When Golden Age enters, you may sacrifice a land. If you do, search your library for a land card, put it onto the battlefield, then shuffle.
You've cast a multicolored spell this turn.

At the beginning of combat on your turn, if you've spent at least five mana to cast spells this turn, put a +1/+1 counter on Goldrune Scribe.

Enchant creature
When Grasp of the Yeti enters, you may destroy target creature with flying, artifact, or enchantment.
Enchanted creature gets +3/+3.

Landfall — Whenever a land you control enters, make a pledge.

At the beginning of combat on your turn, put a +1/+1 counter on equipped creature.
Equipped creature has flying as long as it has two or more +1/+1 counters on it.
Equipped creature has double strike as long as it has four or more +1/+1 counters on it.
Equip {2}

Whenever Grazing Yaks becomes tapped, if you have at least 3 life more than your starting life total, put a +1/+1 counter on it.
{T}: You gain 1 life.