As an additional cost to cast creature spells, you may pay {X}, where X is Heartbonder's power. When you do, put a +1/+1 counter on Heartbonder.

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.

Whenever Reaper of Fields attacks, bless target land.

Whenever a basic land you control enters, put a +1/+1 counter on Seeker of New Horizons. If you control seven or more lands, bless that land.

When Sillaman Regrafter enters, put a +1/+1 counter on target creature you control.
Whenever a creature you control dies, you may move a counter from it onto another target creature.

Trample
{1}{G}: Unruly Villagers dares 3.

Wildtrail Hermit enters with a +1/+1 counter on it.
When Wildtrail Hermit dies, you may put its counters on target creature you control.

Flying
When Squallrunner Duo enters, create a 1/1 white Human creature token.
Nontoken creatures you control that have attacked this turn have wander {2}.

Menace
Whenever Ignited Soul deals combat damage to a player, you may discard a card. If you do, draw a card.

When Survivors of the New World enters, if it isn't a token, create two tokens that are copies of it.
When Survivors of the New World dies, reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

When Escorted Captain enters or dies, create a 1/1 colorless Cyborg artifact creature token.

Flying, lifelink
Whenever a creature dies, put a +1/+1 counter on Pero, Puppet of Erebos, then each player loses 1 life.

When Plasma Elite enters, create two Weapon tokens, then attach them to Plasma Elite.

Whenever this creatures transforms into Reborn Herald or another permanent you control transforms, create a 1/1 colorless Cyborg artifact creature token.
Reborn Herald gets +1/+1 for each other artifact you control.

Whenever a creature you control leaves the battlefield, put a +1/+1 counter on Traxian Hoplite.

When Wayward Drek enters, create a 1/1 colorless Cyborg artifact creature token.
Cybersoul {3}{W/B}

Deathtouch

When Leyrune Collector enters, look at the top four cards of your library. You may reveal an artifact or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. If you revealed a land this way, you may put a land card from your hand onto the battlefield tapped.
Wander {3}{G}{U}

{T}: Add {C}{C}.
Whenever you cast a Kraken, Leviathan, Octopus, or Serpent spell, draw a card.

Whenever Leyline Leecher attacks, you may pay {1}. If you do, integrate target card from a graveyard.
Leyline Leecher gets +1/+0 and has flying as long as an instant or sorcery card is integrated onto it.

Whenever another creature dies, you may integrate it.
Whenever a creature card is integrated onto Unmolded One, you may have it become a copy of that card until end of turn, except it has Unmolded One's abilities.

Whenever Ascended Seer attacks, it gets +1/+0 until end of turn unless defending player pays {1}.

Flying, first strike, vigilance

Whenever you amp it up, put a +1/+1 counter on Fresh-Faced Idol.