Destroy target artifact.

Whenever you cast a noncreature spell, put a +1/+1 counter on this creature.

Trample
When Seismic Chimera enters, bless target creature.

Vigilance
Whenever Selective Truthseeker or another nontoken creature you control enters, surveil 1. When you put a nonland card into your graveyard this way, you gain 1 life.

Vigilance
{1}, {T}: Tap target creature.

Approval — When Senators' Chauffeur enters, return up to one target creature card with mana value less than or equal to the number of colors among permanents you control from your graveyard to the battlefield.

Enchant creature
Enchanted creature gets -3/-0.

Serpentine Woods enters tapped.
{T}: Add {B} or {G}.
{2}{B}{G}, {T}, Sacrifice Serpentine Woods: Draw a card.

{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.

Whenever a nontoken creature you control dies, create a token that's a copy of it, except it's a Minion and has decayed.

Set Ablaze deals 2 damage to any target. You may discard up to two cards, then draw that many cards.

Whenever you cast a multicolored spell, create a Treasure token.

At the beginning of your end step, put a +1/+1 counter on each tapped creature you control.
{G}{W}{U}, Remove five counters from among creatures you control, Sacrifice Severin's Masterwork: Create Chaneryx, Perfect Lifeform, a legendary 10/10 green, white, and blue Leviathan creature token with ward {10}.

You may remove +1/+1 counters from creatures you control as though they were loyalty counters on Severin, Sparkmind to pay its loyalty costs.
[0]: Create a 0/0 colorless Robot artifact creature token with two +1/+1 counters on it.
[–2]: You may tap or untap each of up to three target permanents.
[–7]: If it isn't an extra turn, take an extra turn after this one.

When Shadow Sky enters and whenever you cast a spell, each creature target player controls gets -1/-1 until end of turn.

When Shaman of Rime's Fury enters, create a 0/0 colorless Spirit creature token. Put a number of +1/+1 counters on that token equal to the total number of instant and/or sorcery cards you own in exile and in your graveyard.

Until end of turn, target creature you control gets +1/+1 for each different creature type among non-Coward creatures you control. All creatures able to block it this turn do so.

Solidarity
You may look at the top card of your library any time.
You may cast creature spells that have a creature type no creature you control does from the top of your library.

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

Enchant creature you control
When Shatter the Reflection enters, you may destroy target artifact or enchantment.
Enchanted creature gets +1/+0 and has deathtouch.

Shell Cove enters tapped.
{T}: Add {G} or {U}.
{9}{G/U}: Shell Cove becomes a 7/7 green and blue Leviathan creature with ward {3} until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to green and blue. Activate only once each turn.

Vigilance
Whenever you cast a spell from anywhere other than your hand, put a +1/+1 counter on Shepherd of Steel.
When Shepherd of Steel dies, put its counters on target creature you control.

At the beginning of your end step, create a 1/1 blue Ninja creature token with “This creature can't be blocked by creatures with greater power.”
Whenever you activate a ninjutsu ability for the first time each turn, untap up to two target lands you control.

Ninjutsu {4}{G}

Ninjutsu {6}{G}. This ability costs {1} less to activate for each attacking creature you control.
Trample