Amity — Whenever you attack with Rollephant and exactly one other creature, Rollephant gets +2/+2 until end of turn.

Whenever Rooftop Slink deals combat damage to a player, you may have each player discard a card.
Cybersoul {3}{B}

{2}, Sacrifice Root Fossil: Surveil 3. You may put a land card you surveilled this way from your graveyard onto the battlefield tapped.
Surface {2}{G}. Root Fossil surfaces transformed.

{X}{U}: Draw X cards. Activate only if this Subroutine ran this turn.

{2}, Sacrifice this creature: Create a 2/2 white Samurai creature token with exalted. Activate only as a sorcery.

Haste
This creature enters with a +1/+1 counter on it.
When this creature dies, you may put its counters on target creature you control.

Enchant creature
Enchanted creature gets -1/-1.
Sacrifice an artifact: Destroy enchanted creature. Activate only as a sorcery.

Surface {U}. Scuttling Cicada surfaces transformed.

Whenever a Forest you control enters, put a +1/+1 counter on Seeker of New Horizons. Then you may remove four +1/+1 counters from among creatures you control. If you do, bless that land.

Destroy target artifact.

Enchant creature
Enchanted creature gets -3/-0.

{B}, Sacrifice Serrated Fossil: Choose a nonland card name. Target player reveals their hand and discards a card with that name if able. Activate only as a sorcery.
Surface {3}{B}{B}. Serrated Fossil surfaces transformed.

Put a +1/+1 counter on target creature. It gains trample until end of turn.

Shock deals 2 damage to any target.

At the beginning of combat on your turn, you gain 1 life. If you control three or more Shrines, instead you gain 3 life.

{4}{B}: You draw a card and you lose 1 life. This ability costs {1} less to activate for each other Shrine you control. Activate only once each turn.

At the beginning of combat on your turn, each opponent mills two cards. If you control three or more Shrines, scry 2.

Exile target creature or enchantment if its mana value is less than or equal to the number of spells named Singularity you've cast this game.

Flash
Flying
When Sleeper Strix enters, tap up to one target creature.
You may look at an additional card each time you surveil.

Lifelink
Whenever this creature or another creature you control enters, if it entered from a graveyard or was cast from a graveyard, put two exalted counters on it.

When Slumbering Grove enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle.
Spellcharge 8

When Soul-Guide Lantern enters, exile target card from a graveyard.
{T}, Sacrifice Soul-Guide Lantern: Exile each opponent's graveyard.
{1}, {T}, Sacrifice Soul-Guide Lantern: Draw a card.

When Sparks of a Revolution enters, create a 1/1 colorless Soldier creature token. It gains haste until end of turn.
Three or more sources you controlled dealt damage this turn.
A source you controlled dealt 3 or more damage this turn.

Counter target activated or triggered ability from a nonland source. If a creature's ability is countered this way, you may pay {1}{C}. If you do, exile that creature.

Whenever a Ruin you control becomes spellcharged, put a +1/+1 counter on Speaker of the Forebears.
Sacrifice Speaker of the Forebears: Add an amount of {R} equal to the number of +1/+1 counters on it.