Whenever one or more +1/+1 counters are put on a permanent you control, you may pay {1}. If you do, create a 1/1 colorless Servo artifact creature token.
{3}, {T}: Choose a counter on target permanent or player. Give that permanent or player another counter of that kind.
{1}
Arcbound Worker
Artifact Creature - Construct
Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)
0 /
0
{G/U}
Bioshift
Instant
Move any number of +1/+1 counters from target creature onto another target creature with the same controller.
{1}
Blade of the Bloodchief
Artifact - Equipment
Whenever a creature dies, put a +1/+1 counter on equipped creature. If equipped creature is a Vampire, put two +1/+1 counters on it instead.
Equip {1}
{R}
Bloodhall Ooze
Creature - Ooze
At the beginning of your upkeep, if you control a black permanent, you may put a +1/+1 counter on Bloodhall Ooze.
At the beginning of your upkeep, if you control a green permanent, you may put a +1/+1 counter on Bloodhall Ooze.
1 /
1
{G}
Burst of Strength
Instant
Put a +1/+1 counter on target creature and untap it.
{W}
Champion of the Parish
Creature - Human Soldier
Whenever another Human enters the battlefield under your control, put a +1/+1 counter on Champion of the Parish.
1 /
1
{1}
Chronomaton
Artifact Creature - Golem
{1}, {T}: Put a +1/+1 counter on Chronomaton.
1 /
1
{G}
Confront the Unknown
Instant
Investigate, then target creature gets +1/+1 until end of turn for each Clue you control. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
{W}
Daily Regimen
Enchantment - Aura
Enchant creature
{1}{W}: Put a +1/+1 counter on enchanted creature.
{W}
Favored Hoplite
Creature - Human Soldier
Heroic -- Whenever you cast a spell that targets Favored Hoplite, put a +1/+1 counter on Favored Hoplite and prevent all damage that would be dealt to it this turn.
1 /
2
{G}
Forced Adaptation
Enchantment - Aura
Enchant creature
At the beginning of your upkeep, put a +1/+1 counter on enchanted creature.
{G}
Giant Growth
Instant
Target creature gets +3/+3 until end of turn.
{G}
Glimpse of Nature
Sorcery
Whenever you cast a creature spell this turn, draw a card.
{G}
Groundswell
Instant
Target creature gets +2/+2 until end of turn.
Landfall -- If you had a land enter the battlefield under your control this turn, that creature gets +4/+4 until end of turn instead.
{G}
Hardened Scales
Enchantment
If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on it instead.
{G}
Hero of Leina Tower
Creature - Human Warrior
Heroic -- Whenever you cast a spell that targets Hero of Leina Tower, you may pay {X}. If you do, put X +1/+1 counters on Hero of Leina Tower.
1 /
1
{G}
Hunger of the Howlpack
Instant
Put a +1/+1 counter on target creature.
Morbid -- Put three +1/+1 counters on that creature instead if a creature died this turn.
{G}
Hunt the Hunter
Sorcery
Target green creature you control gets +2/+2 until end of turn. It fights target green creature an opponent controls.
{R}
Kird Ape
Creature - Ape
Kird Ape gets +1/+2 as long as you control a Forest.
1 /
1
{W}
Lagonna-Band Trailblazer
Creature - Centaur Scout
Heroic -- Whenever you cast a spell that targets Lagonna-Band Trailblazer, put a +1/+1 counter on Lagonna-Band Trailblazer.
0 /
4
{G}
Mold Adder
Creature - Fungus Snake
Whenever an opponent casts a blue or black spell, you may put a +1/+1 counter on Mold Adder.
1 /
1
{R}
Reckless Charge
Sorcery
Target creature gets +3/+0 and gains haste until end of turn.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{R}
Satyr Hoplite
Creature - Satyr Soldier
Heroic -- Whenever you cast a spell that targets Satyr Hoplite, put a +1/+1 counter on Satyr Hoplite.
1 /
1
{G}
Savage Summoning
Instant
This spell can't be countered.
The next creature spell you cast this turn can be cast as though it had flash. That spell can't be countered. That creature enters the battlefield with an additional +1/+1 counter on it.
{G}
Scute Mob
Creature - Insect
At the beginning of your upkeep, if you control five or more lands, put four +1/+1 counters on Scute Mob.
1 /
1
{G}
Scythe Tiger
Creature - Cat
Shroud (This creature can't be the target of spells or abilities.)
When Scythe Tiger enters the battlefield, sacrifice it unless you sacrifice a land.
3 /
2
{G}
Servant of the Scale
Creature - Human Soldier
Servant of the Scale enters the battlefield with a +1/+1 counter on it.
When Servant of the Scale dies, put X +1/+1 counters on target creature you control, where X is the number of +1/+1 counters on Servant of the Scale.
0 /
0
{G}
Shape the Sands
Instant
Target creature gets +0/+5 and gains reach until end of turn. (It can block creatures with flying.)
{R}
Slumbering Dragon
Creature - Dragon
Flying
Slumbering Dragon can't attack or block unless it has five or more +1/+1 counters on it.
Whenever a creature attacks you or a planeswalker you control, put a +1/+1 counter on Slumbering Dragon.
3 /
3
{B}
Undying Evil
Instant
Target creature gains undying until end of turn. (When it dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
{G}
Vines of Vastwood
Instant
Kicker {G} (You may pay an additional {G} as you cast this spell.)
Target creature can't be the target of spells or abilities your opponents control this turn. If this spell was kicked, that creature gets +4/+4 until end of turn.
{G}
Viridescent Wisps
Instant
Target creature becomes green and gets +1/+0 until end of turn.
Draw a card.
{G}
Young Wolf
Creature - Wolf
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)