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By GamGem ResearchLast updated 1 Oct 2026

Riftbeast Mama Beak: The TFT Set 18 Riftbeast Comp

Set 18 Enchanted Wilds·18.3·ends by 2026-12-11

156,432games · Last 7 days

Seven Riftbeasts — the jungle monsters — grow every five seconds of combat, and the Alpha Mark gives one its own Buff. Mama Beak, a three-cost Rapidfire, carries; Sentinel holds the front. Figures here are a labelled sample.

Play Riftbeast Mama Beak when Attack Damage components and natural Mama Beak copies appear.

CarryMama Beak
TankSentinel
Level8
StyleRoll 7
Difficulty
Strong

Level 8 board

Brambleback★★
Scuttlecrab★★
Murkwolf★★
Sentinel★★
Krug★★
Gromp★★
Zyra★★
Mama Beak★★

Change strip

18.3Current
  • First patch this line is tracked on
View full history

Verdict

Avg place4.23
Win rate18.2%
Pick rate22.80%
Top 468.7%63.3 – 73.8
Optimal88
Games17,842

Trait breakpoints

  • Riftbeast35710
  • Summoner23
  • Ravager246
  • Thornmaiden1

Slam, hold & substitute

Slam (priority)
Hold (situational)
Substitute (carry)

The Riftbeast Mama Beak board, in Riot's words

  • Mama Beak · Flock Family

    Summon 4 untargetable Tiny Beaks nearby. Whenever Mama Beak attacks, Tiny Beaks attack the same enemy, dealing physical damage. Orange Buff: Dealing physical damage reduces enemy Armor.

    • Base AD: 60 (18.4 · 07/10)
    • Ability Damage: 22/30/52 AD (18.4)
  • Sentinel · Azure Shockwave

    Gain Shield. Slam the ground, sending a fissure in the direction of the most enemies. Enemies hit are briefly knocked up, take magic damage, and are Mana Reaved. Blue Buff: Each time Sentinel casts, allies gain Mana Regen.

    • Ability Shield: 350/450 AP (18.2)
  • Brambleback · Crimson Fury

    Passive: When the target dies, leap at the next target, dealing physical damage. Active: Gain Attack Damage. During this time ignore Armor. Red Buff: Attacks Burn enemies and heal Brambleback for a share of max Health.

    • Ability Bonus AD: 100% AD (18.4)
    • Leap Damage: 135/205 AD (18.4)
    • Armor Ignore: 20 + 25% AP (18.2 · 14/09)
    • Base AD: 120 (18.2)
    • Armor Ignore Base: 15% (18.2)
    • Bonus Ability AD: 300% (18.2)
  • Krug · Rock and Roll

    Passive: On death, split into two Kruglettes with Health which immediately taunt, forcing enemies to attack them. Active: Gain a share of max Health, then roll into the target, dealing damage. Slate Buff: On death, Krug and Kruglettes Shield allies for a share of max Health.

  • Scuttlecrab · Can You Dig It?

    Passive: Attacks are replaced by a dance that deals physical damage to all adjacent enemies. Active: Burrow underground, gaining Durability and healing over the duration. Green Buff: When allies fall below a Health threshold, they restore a share of max Health.

  • Gromp · Belchy Bubble

    Adaptor: Belch a noxious bubble at the current target that explodes on the first enemy hit, dealing magic damage. Enemies within a 1 hex radius of the explosion take magic damage over time. Purple Buff: Every seconds, Gromp gains Ability Power.

    • AP Form Splash Damage: 180/270/435 AP (18.4 · 07/10)
    • AD Form Base AD: 50 (18.4 · 07/10)
    • AD Form AS: 0.75 (18.4 · 07/10)
    • Mana AD Form: 0/70 (18.4)
    • Splash damage AP Form: 160/240/375/625 (18.4)
    • AP Form Ability DoT: 175/265/410 AP (18.3)
    • AD Form Attack Speed: 0.75 (18.3)
  • Murkwolf · Rending Claws

    Leap to the lowest Health enemy nearby and deal physical damage. The next attacks gain Attack Speed and deal bonus physical damage. Grey Buff: Gain Precision and Critical Strike Chance, increased up to based on missing Health.

    • Empowered Attack Damage: 65/100/160 AD (18.4 · 07/10)
  • Zyra · Rampant Growth

    Spawn plants around the battlefield that attack the nearest enemy several times. Each attack deals magic damage.

    • Ability Damage: 35/53 (18.2)

What the traits pay here

  • Riftbeast (7) · 7 on the board

    On combat start and every 5 seconds Riftbeasts grow gaining 6% Attack Damage 6% Ability Power 6% Attack Speed +5 Armor +5 Magic Resist +50 Health +1 Mana Regen

    Use the Alpha Mark to grant a Riftbeast their unique Buff.

  • Summoner (2) · 2 on the board

    Empower Summons

    Summoners empower their summons in different ways. Yorick: +30% Health Azir: +20% Damage Mama Beak: +45% Damage Zyra: +4 Plant Attacks

  • Ravager (2) · 2 on the board

    12% Bonus Damage

    Ravagers gain 10% Omnivamp. Additionally, Ravagers deal bonus damage, doubled against units below 50% Health.

  • Thornmaiden (1) · 1 on the board

    Unique trait

    Your team gains 5% Durability, increased to 10% if 6 or more Zyra plants are alive.

Opener · AD

Preferred
Mama BeakAkaliMurkwolfKog'Maw
2 Adaptor2 Ravager2 Riftbeast
Item path

Opener · AP

PebblesGrompKayleTeemo
2 Invoker2 Riftbeast1 Adaptor
Item path

Opener · TANK

RakanYorickScuttlecrabDiana
3 Juggernaut2 Vanguard1 Blossom
Item path

Retained units

  • Early game
  • Mid game
  • Late game

Stage timeline

  1. 2-1Level 4Stabilize
  2. 3-2Level 5Spike
  3. 4-2Level 6Roll Down
  4. 5-1Level 7Complete
  5. 6-1+Level 8Cap

Pivot window

Best pivot before4-2

Don’t force past this. After it the committed items cost more than the new line gains.

Matchup patterns

AgainstTop 4ΔLP
  • Vs Blossom Ashe58%+13
  • Vs Elderwood Ezreal53%+5
  • Vs Coven Morgana50%+0
  • Vs Inferno Kennen53%+5
  • Vs Lunar Aphelios65%+24

Positioning · Vs Kha'Zix

He leaps to the farthest enemy in reach. Keep the carry off the corner, behind a tank.

Positioning · Vs line damage

Ashe and Varus shoot through a line. Stagger the back row so each shot hits fewer.

Augments

  • Big Grab BagGOOD
  • Duo QueueGOOD
  • Caretaker's AllyGOOD
  • Branching OutGOOD
  • Weight The WorthBAIT
  • Master of All OriginsBAIT

Substitutions

  • No AP / Anti-Heal
  • Need CC / Utility
  • More Crowd Control
  • vs High Armor

Game plan

  1. 1.Eco early. Don’t force. Look for AD items + Mama Beak.
  2. 2.Level 4 at 2-1, Level 6 at 3-2. Stabilise board.
  3. 3.Roll at 7 for Mama Beak 2★ and Sentinel 2★.
  4. 4.Stabilise, then level to 8 and complete core items.
  5. 5.Final cap at level 8 or higher (flex unit).

Copy & share

Situation matrix

SituationPlayForcePivot
AP Items✓—✕
Carry Early✓✓✕
Contested✕✓✓
Low HP✕✓✓
No Frontline✕✓✓

Disagreement

23% of the sampled boards disagree on Krug vs Scuttlecrab.

Sources

  • tactics.tools17,842
  • metatft.com19,332
  • tftacademy.app14,208

Freshness

Last verified2026-09-23Patch18.3Set endsby 2026-12-11WindowLast 7 daysRegionGlobalRankAll Ranks

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