Sunstar Chaplain

At the beginning of your end step, if you control two or more tapped creatures, put a +1/+1 counter on target creature you control.
{2}, Remove a +1/+1 counter from a creature you control: Tap target artifact or creature.

Luxknight Breacher

This creature enters with a +1/+1 counter on it for each other creature and/or artifact you control.

Cosmogrand Zenith

Whenever you cast your second spell each turn, choose one —
• Create two 1/1 white Human Soldier creature tokens.
• Put a +1/+1 counter on each creature you control.

Terrasymbiosis

Whenever you put one or more +1/+1 counters on a creature you control, you may draw that many cards. Do this only once each turn.

Dockworker Drone

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

Gene Pollinator

{T}, Tap an untapped permanent you control: Add one mana of any color.

Sami's Curiosity

You gain 2 life. Create a Lander token. (It's an artifact with "{2}, {T}, Sacrifice this token: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.")

Galactic Wayfarer

When this creature enters, create a Lander token. (It's an artifact with "{2}, {T}, Sacrifice this token: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.")

Ouroboroid

At the beginning of combat on your turn, put X +1/+1 counters on each creature you control, where X is this creature's power.