Defender
Whenever you cast an instant or sorcery spell, Dormant Slagheap loses defender until end of turn. If that spell was cast from your graveyard, put a +1/+1 counter on Dormant Slagheap.

Enchant creature
When Contain for Study enters, tap enchanted creature.
You control enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Urban Sunscape enters tapped.
{T}: Add {R} or {W}.
{4}: Make a pledge. Activate only as a sorcery.

Up to X target creatures you control each get +1/+1 until end of turn. Untap those creatures.

Look at the top two cards of your library. Put one into your hand and the other into your graveyard.
Surface {2}{U}

Flying
Ward {X}, where X is the number of enchantments you control.
Whenever Stormscraper of Ketaphos deals combat damage to a player or planeswalker, create a token that's a copy of another target enchantment you control.

Vishanki District enters tapped unless you control a Swamp, a Mountain, and a Forest.
{T}: Add {B}, {R}, or {G}.

Whenever Ancient Conscriptor becomes spellcharged, gain control of target creature you don't control until end of turn. Untap it. It gains haste until end of turn.
Spellcharge 4

When this creature enters, reveal the top ten cards of your library. For each nonland, non-Golem permanent card revealed this way, you may sacrifice a permanent that shares a card type with it. If you do, put that permanent card onto the battlefield under your control. Put the rest on the bottom of your library in a random order.

At the beginning of combat on your turn, you may have target Advisor you control get +2/-1 until end of turn.

{T}: Add {C}.
Whenever Unwavering Gates attacks, other creatures you control gain indestructible until end of turn.
Spellcharge 5

Counter target spell unless its controller pays {4}. You may untap a land.

Enchant creature
Enchanted creature gets -1/-1.
Sacrifice an artifact: Destroy enchanted creature. Activate only as a sorcery.

Double strike

Edgeland Market enters tapped unless you control a basic non-Mountain land.
{T}: Add {R}.
{2}{R}, {T}: Create a 0/1 white Goat creature token.

Choose one. If this spell's flashback cost was paid, instead choose three and you may choose the same mode more than once.
• Destroy target artifact.
• This spell deals 3 damage to any target.
• You may discard one or more cards. If you do, draw that many cards plus one.
Flashback {7}{R}{R}

When Magnetic Snuffler enters, return target Equipment card from your graveyard to the battlefield attached to Magnetic Snuffler.
Whenever you sacrifice an artifact, put a +1/+1 counter on Magnetic Snuffler.

Look at the top three cards of your library. Put one into your hand and the rest into your graveyard.
Flashback—{B}, Discard a card.

This spell costs {X} less to cast, where X is the number of Mountains you control plus the number of cards with a cycling ability in your graveyard.
Search your library for a Dragon or Phoenix card, put it onto the battlefield, then shuffle.
Mountaincycling {2}

Defender
When Feasting Sloth enters, create a Berry token.
Feasting Sloth can attack as though it didn't have defender if it's enchanted, equipped, or has a counter on it.

Flying
Amity — Whenever you attack with Earthbreaker Dragon and exactly one other creature, Earthbreaker Dragon deals 1 damage to each of up to two target creatures without flying.

As an additional cost to cast instant and sorcery spells, you may pay {X}, where X is that spell's mana value. If you do, copy that spell, and you may choose new targets for the copy.
Spellcharge 4

Menace
{4}{B}{B}: Transform Maw Impostor.

Lifelink
Level up—{1}, Pay 4 life.
[level 1-4] Lifelink
Whenever you gain life, draw a card.
[level 5+] Lifelink
Whenever you gain life, draw that many cards.

First strike
Landfall — Whenever a land you control enters, you may tap target creature.