When Research Grant enters, look at the top three cards of your library. Put one into your hand and the rest into your graveyard.
You've cast two or more spells this turn.
You've drawn two or more cards this turn.

Target opponent discards their hand, then draws seven cards. You discard your hand, then exile the top seven cards of that player's library. You may play those cards as long as they remain exiled, and mana of any type can be spent to cast them.

Return target creature card with mana value 4 or less from your graveyard to the battlefield. It gets +2/+1 and gains trample and haste until end of turn. Sacrifice it at the beginning of the next end step.

Return any number of creature cards with total mana value less than or equal to twice your devotion to black from your graveyard to the battlefield.

Cast this spell only during combat.
Untap all attacking creatures and tap all blocking creatures. After this phase, there is an additional combat phase.

Target creature you control gets +2/+2 and gains indestructible until end of turn. If it was the target of another spell or ability this turn, create two 1/1 white Bird creature tokens with flying.

Trample
Ruin, the First Shard enters with a +1/+1 counter on it for each mana spent to cast it.

{1}{R}: Rumbling Volcamel and up to one other target creature you control get +1/+0 until end of turn.
Whenever you activate a nonmana ability, if you've spent at least six mana to activate nonmana abilities this turn, transform Rumbling Volcamel.

[+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.

[+1]: Choose up to two target creatures. Until your next turn, when one of them leaves the battlefield, exile the other.
[0]: Reveal the top card of your library. You may reveal a card you own from outside the game that shares a mana value or card type with the revealed card. Put one of those cards into your hand and exile the rest.
[–7]: For each permanent on the battlefield, create a token that's a copy of it.

Sashanki, Destiny's Chosen can't be blocked alone except by multicolored creatures.
Whenever Sashanki, Destiny's Chosen attacks, another target creature you control gets +X/+X until end of turn, where X is Sashanki's power.

Prowess
When Satyr Arsonist enters, destroy up to one target nonbasic land. Its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle.

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.

As an additional cost to cast this spell, exile X cards from your graveyard.
You draw X cards and gain X life, then each opponent loses X life.

When Scattering Swine deals combat damage to a player, you may return a permanent you control to its owner's hand. If you do, that player loses 3 life unless they discard a card that shares a type with the returned permanent.

Double target creature's power and toughness until end of turn.
Flashback {1}{G}

Whenever one or more creatures you control deal combat damage to a player, you may draw that many cards. If you do, discard a card.
Exile two creature cards from your graveyard: Scrapyard Mecha becomes an artifact creature until end of turn. Activate only as a sorcery.
Crew 2

Target player reveals their hand. You may choose a nonland card from it. If you do, that player discards that card. Otherwise, draw a card.

Exile all creatures you don't control. Then return those cards to the battlefield tapped under their owners' control unless you've cast another spell named Second Crown's Fall this game. Then exile Second Crown's Fall.

Whenever a basic land you control enters, put a +1/+1 counter on Seeker of New Horizons. If you control seven or more lands, bless that land.

Seismic Brute can't be blocked by creatures with defender.

{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.

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.