[+1]: Up to one target nonland permanent gets -1/-1 and loses all abilities until your next turn.
[0]: Target creature you control gets +2/+2 and gains lifelink until your next turn.
[–1]: Each player discards a card. Then you may pay 2 life. If you do, draw a card.
[–3]: You and target opponent's life totals each become equal to half your combined life totals, rounded down.

Whenever you cast an instant or sorcery spell, choose one that hasn't been chosen this turn —
• Create a 1/1 colorless Construct artifact creature token.
• Discard a card, then draw a card.
• Add one mana of any type.

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.

Reach
Whenever Star-Studded Sagittaur deals combat damage to a player, you may bless target land.

When Sustainable Investments enters, create a Treasure token.
Treasures you control have “{T}: Add one mana of any color.”

Flying
Whenever Synthetic Specter deals combat damage to a player, that player discards a card. Then if they have no cards in hand, put a +1/+1 counter on Synthetic Specter.

If you would draw a card while your library has no cards in it, instead you may put a card you own from outside the game into your hand.
{T}: Draw two cards, then discard a card.

[–1]: Create a red and green Subroutine enchantment token named SAVE with “Whenever this Subroutine runs, exile the top card of your library. You may play it this turn.”
[–1]: You may sacrifice an enchantment. If you do, search your library for an enchantment card with mana value equal to 1 plus the sacrificed enchantment's mana value, put it onto the battlefield, then shuffle.

Whenever a Ruin you control becomes spellcharged, it gains haste until end of turn.
Spellcharge 2

Whenever you cast a colorless spell, you may pay {C}. If you do, copy it. You may choose new targets for the copy.
Whenever a creature you control attacks, put a +1/+1 counter on it for each other creature you control with the same name as that creature.

The first spell you cast during each of your turns costs {R}{G} less to cast.
You may play two additional lands on each of your turns.
Landfall — Whenever a land you control enters, you may exile the top three cards of your library. You may play those cards from exile as long as you control Warden of Tremors.

Whenever another creature you control enters, Nomad's Companion gets +1/+1 until end of turn.

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Look at the top five cards of your library. You may reveal a permanent card with mana value 3 or less from among them and put it into your hand. Put the rest on the bottom of your library in any order.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

As this land enters, you may pay 2 life. If you don't, it enters tapped.
{T}: Add {G} or {U}.

As this land enters, you may pay 2 life. If you don't, it enters tapped.
{T}: Add {U} or {R}.

As this land enters, you may pay 2 life. If you don't, it enters tapped.
{T}: Add {B} or {G}.

As this land enters, you may pay 2 life. If you don't, it enters tapped.
{T}: Add {W} or {B}.