msem-instigator

Whenever a spell or ability with one or more targets is put onto the stack, reselect its targets at random.

Whenever Simian Striker attacks, it gets +3/+0 until end of turn.

{1}{R}: Target creature can't block Slippery Salamander this turn.

Trample, haste
Whenever Sugon, Destruction's Fist deals combat damage to a player, return it to its owner's hand unless you have Sugon deal 5 damage to you.

Sunspear Surge deals 2 damage to target creature and 1 damage to each other creature.

As an additional cost to cast this spell, discard a card.
Return up to one target instant card and up to one target sorcery card from your graveyard to your hand. Exile Sustaining Meditation.

As an additional cost to cast this spell, discard a card.
Draw two cards.

Whenever Vindictive Pyromancer perseveres, it deals 1 damage to any other target. (A creature perseveres when it survives damage.)

Ferocious — At the beginning of each combat, if you control a creature with power 4 or greater, Worshipper Whelp gets +2/+0 until end of turn.

Menace
Ferocious — Whenever Zhenya, the Draconic becomes blocked by a creature, it deals 3 damage to that creature if you control a creature with power 4 or greater.

Target creature you control deals damage equal to its power to target creature you don't control.

When Attuned Ancient enters, if you control a legendary creature, you may have Attuned Ancient deal damage equal to its power to target creature an opponent controls.

Reveal the top three cards of your library. Put all creature cards revealed this way into your hand and the rest into your graveyard.

When Canopy Ratstalker enters, look at the top three cards of your library. You may reveal a land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Whenever a permanent enters under an opponent's control, reveal the top card of your library. If it's a permanent card that shares a type with that permanent, you may put it onto the battlefield. Otherwise, put it on the bottom of your library.

Enchant creature
When Child of the Pack enters, create a 2/2 green Wolf creature token.
Enchanted creature gets +1/+1 for each Wolf you control.

Trample
When Contentious Yak enters, another target creature you control gets +1/+1 and gains trample until end of turn.

Deathtouch
{3}{G}: Deathcoil Cobra gains indestructible until end of turn.

{3}{G}: Elder Rootwallas gets +4/+2 until end of turn. Activate only once each turn.

Target creature you control gets +2/+2 and gains trample until end of turn.
Ferocious — You may cast Fierce Howl as though it had flash if you control a creature with power 4 or greater.

When Golden Grizzly enters, create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)

Look at the top sixteen cards of your library. Put any number of creature cards with different mana values from among them onto the battlefield and the rest on the bottom of your library in any order.

Ferocious — Whenever a creature with power 4 or greater you control enters, you gain 4 life.

At the beginning of your upkeep, put a +1/+1 counter on Heyu, Immortal Hunter.
Whenever Heyu becomes the target of a spell or ability an opponent controls, counter it if Heyu has the greatest power among creatures on the battlefield.

Scry 3, then reveal the top card of your library. If it's a creature card, Hunter's Instinct deals damage to target creature equal to the revealed card's power.
Ferocious — If the revealed card is a creature card with power 4 or greater, put it into your hand.