Whenever Inner City Scout becomes the target of a spell or ability you control, untap it. It gets +1/+1 until end of turn. This ability triggers only once each turn.

Choose target creature you control. Whenever that creature deals combat damage to a player this turn, draw that many cards. If {R} was spent to cast this spell, it gains trample until end of turn. If {W} was paid to cast this spell, it gets +1/+1 until end of turn.

Trample
Whenever Insurgency Mentor attacks, teach target attacking creature with lesser power trample.

Enchant land
When International Development enters, make a pledge.
Enchanted land has “{T}: Add two mana of different colors.”

Enchant creature
Whenever enchanted creature attacks, create a Treasure token.
If enchanted creature would die, instead sacrifice Invest and return that creature to its owner's hand.

Haste
Whenever Jens Slopeskidder or a land you control enters, put a +1/+1 counter on target creature you control.
Wander—{1}{G}, Return a land you control to its owner's hand.

Whenever a land you control enters, if it doesn't share a name with any other lands you control, create a 1/1 red and green Elemental creature token.

Create a 1/2 green Spider creature token with reach for each color of mana spent to cast this spell.

Vigilance, reach, trample
Ward—Sacrifice a noncreature permanent.

Favored
Whenever your Champion attacks, creatures you control get +2/+2 until end of turn.

Vigilance, trample
As long as there are five or more instant and/or sorcery cards in your graveyard, Lagoroth, Century's Apex has haste and ward {5}.
As long as there are ten or more instant and/or sorcery cards in your graveyard, Lagoroth gets +10/+10.

Landscape Artist gets +2/+2 as long as you control four or more lands with different names.
{2}{G}, {T}, Discard a card, Sacrifice a land: Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

{T}: Add one mana of any color. If you have at least 3 life more than your starting life total, add two mana in any combination of colors instead.

At the beginning of your end step, untap another permanent. Then if it's your first turn of the game or you discarded a card named Leystone of Growth this turn, put a growth counter on that permanent. It gains “{T}: Add one mana of any type.”
Cycling {G}

Whenever you cast an instant spell, up to one target creature gets +2/+2 until end of turn.
Whenever you cast a sorcery spell, reveal the top card of your library. If its mana value is less than the greatest power among creatures you control, put it into your hand.

Enchant land
When Lightvein Discovery enters, put a +1/+1 counter on target creature you control.
Enchanted land has “{T}: Add two mana of different colors.”

Solidarity
Londel Sharpshot can't be blocked by creatures with power 2 or less.

Choose two —
• Create two Berry tokens.
• Create two 1/1 green Plant creature tokens.
• You gain 1 life for each token you control.

Until end of turn, target creature gets +2/+2 and gains trample and “Whenever this creature deals combat damage to a player, return target permanent card with mana value less than or equal to the damage dealt from your graveyard to your hand.”

{T}: Add one mana of any color.
Whenever you cast a multicolored spell, untap Mana Harvesters. This ability triggers only once each turn.

Target creature you control gets +2/+1 until end of turn. It fights up to one target creature you don't control.

Target creature you control gets +2/+2 until end of turn. It fights target creature you don't control.

When Menelaia enters, put a +1/+1 counter on up to three target creatures.
Whenever a creature you control with a counter on it becomes the target of a spell or ability you control, that creature gains hexproof and trample until end of turn.

Reach
Surface {4}{G}{G}

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. Then if you control three or more enchantments, draw a card.