Flying

Whenever Ancient Silver Dragon deals combat damage to a player, roll a d20. Draw cards equal to the result. You have no maximum hand size for the rest of the game.

When Basalt Ravager enters, it deals X damage to any target, where X is the greatest number of creatures you control that have a creature type in common.

When Boareskyr Tollkeeper enters the battlefield, target opponent reveals all creature and land cards in their hand. Choose one of them. That card perpetually gains "This permanent enters the battlefield tapped."

, Roll a d8: Monstrosity X, where X is the result. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.)

Berserk — When Clay Golem becomes monstrous, destroy target permanent.

You may exert Clockwork Droid as it attacks. When you do, it can't be blocked this turn and you scry 1. (An exerted creature won't untap during your next untap step. To scry 1, look at the top card of your library. You may put that card on the bottom.)

Tap target creature. Create a Cursed Role token attached to it. (Enchanted creature is 1/1.)

When Cyclone Summoner enters, if you cast it from your hand, return all permanents to their owners' hands except for Giants, Wizards, and lands.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)

Whenever Donna or a creature it's paired with is dealt damage, Donna deals that much damage to target opponent.

Doctor's companion (You can have two commanders if the other is the Doctor.)

As long as you control a token, Druid of the Spade gets +2/+0 and has trample.

Each opponent faces a villainous choice — They exile cards from the top of their library until they exile a nonland card, then you may cast that card without paying its mana cost, or that player exiles the top four cards of their library and Ensnared by the Mara deals damage equal to the total mana value of those exiled cards to that player.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Forsaken Miner can't block.

Whenever you commit a crime, you may pay . If you do, return Forsaken Miner from your graveyard to the battlefield. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Haste

Whenever you cast a noncreature spell, Frenzied Devils gets +2/+2 until end of turn.

Flash (You may cast this spell any time you could cast an instant.)

Reach

When Great Oak Guardian enters, creatures target player controls get +2/+2 until end of turn. Untap them.

Flying

: Hellkite Punisher gets +1/+0 until end of turn.

Kicker (You may pay an additional as you cast this spell.)

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. If this spell was kicked, sacrifice that creature at the beginning of the next end step.

Reach

Pack tactics — Whenever Intrepid Outlander attacks, if you attacked with creatures with total power 6 or greater this combat, venture into the dungeon. (Enter the first room or advance to the next room.)

Partner with Laurine, the Diversion (When this creature enters, target player may put Laurine into their hand from their library, then shuffle.)

Lifelink

Whenever a creature an opponent controls dies, you gain 1 life and create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")

Whenever you cast a noncreature spell, Lambholt Ravager deals 2 damage to each opponent.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)

As an additional cost to cast this spell, sacrifice an artifact or creature with mana value X.

Nahiri's Sacrifice deals X damage divided as you choose among any number of target creatures.

As an additional cost to cast this spell, you may sacrifice one or more creatures. When you do, copy this spell for each creature sacrificed this way.

You draw a card and you lose 1 life.

Flying

Fire Breath — When Red Dragon enters, it deals 4 damage to each opponent.

When Runeforge Champion enters, you may search your library and/or graveyard for a Rune card, reveal it, and put it into your hand. If you search your library this way, shuffle.

You may pay rather than pay the mana cost for Rune spells you cast.

Kicker (You may pay an additional as you cast this spell.)

When Scorch Rider enters, if it was kicked, it gains haste until end of turn.

Choose any number of target creatures, planeswalkers, and/or players. For each of them, exile the top card of your library, then Soulfire Eruption deals damage equal to that card's mana value to that permanent or player. You may play the exiled cards until the end of your next turn.

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 (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.)

: Add .

: Add or . Talisman of Progress deals 1 damage to you.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Water Always Wins — Whenever The Flood of Mars attacks, put a flood counter on another target creature or land. If it's a creature, it becomes a copy of The Flood of Mars. If it's a land, it becomes an Island in addition to its other types.

Deathtouch

Whenever Winter attacks, mill three cards.

Delirium — At the beginning of your end step, you may exile any number of cards from your graveyard with four or more card types among them. If you do, put a permanent card from among them onto the battlefield with a finality counter on it.