First strike, protection from multicolored

At the beginning of your upkeep, sacrifice Argentum Masticore unless you discard a card. When you discard a card this way, destroy target nonland permanent an opponent controls with mana value less than or equal to the mana value of the discarded card.

When Benthicore enters the battlefield, create two 1/1 blue Merfolk Wizard creature tokens.

Tap two untapped Merfolk you control: Untap Benthicore. It gains shroud until end of turn. (It can't be the target of spells or abilities.)

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Flying, first strike, vigilance, trample, lifelink

Enchanted creature gets +4/+4 and has flying, first strike, vigilance, trample, and lifelink.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When Core Prowler dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying

, : Crimson Manticore deals 1 damage to target attacking or blocking creature.

This spell costs less to cast if an opponent has drawn four or more cards this turn.

Draw X cards.

Flying, first strike

: Flailing Manticore gets +1/+1 until end of turn. Any player may activate this ability.

: Flailing Manticore gets -1/-1 until end of turn. Any player may activate this ability.

Choose one —

• Search your library for a basic Forest card, put that card onto the battlefield tapped, then shuffle.

• Return target Cave card from your graveyard to the battlefield tapped.

When Heart-Piercer Manticore enters the battlefield, you may sacrifice another creature. When you do, Heart-Piercer Manticore deals damage equal to that creature's power to any target.

Embalm (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Manticore with no mana cost. Embalm only as a sorcery.)

When Invading Manticore enters the battlefield, amass Zombies 2. (Put two +1/+1 counters on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

Vanishing 1 (This creature enters the battlefield with a time counter on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

Whenever a creature you control deals combat damage to a player, put a time counter on Lavacore Elemental.

, , Sacrifice Lightning-Core Excavator: It deals 3 damage to any target.

Flash

Flying

Tail Spikes — When Manticore enters the battlefield, destroy target creature an opponent controls that was dealt damage this turn.

When Manticore of the Gauntlet enters the battlefield, put a -1/-1 counter on target creature you control. Manticore of the Gauntlet deals 3 damage to target opponent or planeswalker.

, Exile Mechtitan Core and four other artifact creatures and/or Vehicles you control: Create Mechtitan, a legendary 10/10 Construct artifact creature token with flying, vigilance, trample, lifelink, and haste that's all colors. When that token leaves the battlefield, return all cards exiled with Mechtitan Core except Mechtitan Core to the battlefield tapped under their owners' control.

Crew 2

At the beginning of your upkeep, sacrifice Molten-Tail Masticore unless you discard a card.

, Exile a creature card from your graveyard: Molten-Tail Masticore deals 4 damage to any target.

: Regenerate Molten-Tail Masticore.

: Add .

, , Sacrifice an artifact: You gain 1 life.

: Sawback Manticore gains flying until end of turn.

: Sawback Manticore deals 2 damage to target attacking or blocking creature. Activate only if Sawback Manticore is attacking or blocking and only once each turn.

Exile target creature. Put two loyalty counters on a planeswalker you control.

Flying, vigilance

When Steamcore Scholar enters the battlefield, draw two cards. Then discard two cards unless you discard an instant or sorcery card or a creature card with flying.

Distribute four +1/+1 counters among up to four target creatures you control. Creatures you control gain vigilance and trample until end of turn.

: Add .

: Add one mana of any color. Spend this mana only to cast Phyrexian creature spells.

Corrupted — : Target 1/1 creature gets +2/+1 until end of turn. Activate only if an opponent has three or more poison counters.