Rats you control have menace. {1}{B}, {T}: Create a 1/1 black Rat creature token. {2}{B}{B}, {T}, Sacrifice three Rats: Gain control of target creature.
Menace Whenever Star Athlete attacks, choose up to one target nonland permanent. Its controller may sacrifice it. If they don’t, Star Athlete deals 5 damage to that player. Blitz {3}{R} (If you cast this spell for its blitz cost, it gains haste and “When this creature dies, draw a card.” Sacrifice it at the beginning of the next end step.)
If Leyline of Hope is in your opening hand, you may begin the game with it on the battlefield. If you would gain life, you gain that much life plus 1 instead. As long as you have at least 7 life more than your starting life total, creatures you control get +2/+2.
Haste {1}, {T}: Create a token that’s a copy of another target creature you control, except it’s a 1/1 red Balloon creature in addition to its other colors and types and it has flying and haste. Sacrifice it at the beginning of the next end step. Activate only as a sorcery.
Delirium — Whenever Omnivorous Flytrap enters or attacks, if there are four or more card types among cards in your graveyard, distribute two +1/+1 counters among one or two target creatures. Then if there are six or more card types among cards in your graveyard, double the number of +1/+1 counters on those creatures.
Reveal cards from the top of your library until you reveal a nonland card. Put the revealed cards on the bottom of your library in a random order. When you reveal a nonland card this way, Calibrated Blast deals damage equal to that card’s mana value to any target. Flashback {3}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Instant and sorcery spells you cast cost {1} less to cast. To solve — You’ve cast four or more instant and sorcery spells this turn. (If unsolved, solve at the beginning of your end step.) Solved — Whenever you cast an instant or sorcery spell, draw a card.
Flying Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with Nightshade Schemers, you may reveal it. If you do, each opponent loses 2 life.
Prowl {1}{B} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.) Target player reveals three cards from their hand. You choose two of them. That player discards those cards.
Choose a number. Flip a coin that many times or until you lose a flip, whichever comes first. If you win all the flips, draw two cards for each flip.
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
Look at the top X cards of your library, where X is the amount of mana spent to cast this spell. Put two of them into your hand and the rest on the bottom of your library in a random order. Flashback 5UU (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Companion — Your starting deck contains only cards with even mana values. (If this card is your chosen companion, you may put it into your hand from outside the game for 3 as a sorcery.) When Gyruda enters the battlefield, each player mills four cards. Put a creature card with an even mana value from among the milled cards onto the battlefield under your control.
2U, T: Each player mills three cards. Exile up to two creature cards put into graveyards this way. Create an X/X blue Zombie creature token, where X is the total power of the cards exiled this way.