{B}, Sacrifice a creature: This creature deals 1 damage to each opponent and you gain 1 life.

First strike
No more than one creature can attack each combat.
No more than one creature can block each combat.

Deathtouch
Cybersoul {4}{B}

When Iris Cultist enters, you lose 1 life.
Cybersoul {4}{B}

Deathtouch
When this creature transforms into Iris Flayer, target player draws a card and loses 1 life.

Vigilance, trample
{2}{R}{W}: Any number of target creatures you control have base power and toughness 6/6 until end of turn.

When Ironback Tyke enters, you may search your library for a basic Mountain or Plains card, reveal it, put it into your hand, then shuffle.
{2}{R}{W}: Any number of target creatures you control have base power and toughness 3/3 until end of turn. If you control seven or more permanents with activated abilities, transform Ironback Tyke. Activate only as a sorcery.

Flying
If a Dragon you control would deal damage to an opponent, it deals that much damage plus 1 instead.
{2}{U}{R}: Transform Iviana's Spellmaw.

Flying, trample
If a source you control would deal damage to an opponent or a permanent an opponent controls, you may have it deal twice that much damage instead if it's a Dragon or Iviana planeswalker. Otherwise, it deals that much damage plus 2 instead.

Flying
Discard a card: Put a +1/+1 counter on Jetstream Cruiser. Activate only once each turn.

Flying
Whenever one or more creatures you control become tapped, tap up to one target creature an opponent controls.

Double strike

Enchant creature
When Left to the Sea enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Whenever this creature transforms into Lone Switchblade or another permanent you control transforms, each opponent loses 1 life and you gain 1 life.

When Lost Resistor dies, you gain 1 life.
Cybersoul {X}{X}{W}

At the beginning of combat on your turn, up to one target creature you control has base power and toughness X/X until end of turn, where X is the number of enchantments you control.
When Lykaretos dies, bless target land.

Flying
When Malicious Skycleaver enters, pay any amount of life. It deals that much damage to each other creature.
Cybersoul {7}{B}{B}

Menace
{4}{B}{B}: Transform Maw Impostor.

Mogis's Raider has first strike as long as it is attacking.
When Mogis's Raider enters, bless target creature.

Create X 1/1 white Monkey creature tokens.

Enchant creature
Enchanted creature has “Whenever this creature deals combat damage to a player or planeswalker, scry 1, then draw a card.”

Trample
Amity — Whenever Old-Growth Gecko attacks, put a +1/+1 counter on another creature you control. If exactly one other creature attacked with it, this ability triggers three times instead.

Flying, first strike, lifelink
Landfall — Whenever a land you control enters, other creatures you control get +2/+2 until end of turn.

First strike
Landfall — Whenever a land you control enters, other creatures you control get +1/+1 until end of turn.
{2}{R}{W}{B}: Transform Omenhorn.

Create a token that's a copy of target creature. It gains haste until end of turn. Sacrifice it at the beginning of the next end step.