Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Creatures you control get +1/+0 until end of turn.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Whenever a player casts a noncreature spell, each of that player's opponents may draw a card.

Haste
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
: Henchfiend of Ukor gets +1/+0 until end of turn.

Each Sliver card in each player's hand has slivercycling .
Slivercycling (, Discard this card: Search your library for a Sliver card, reveal it, put it into your hand, then shuffle your library.)

, Pay 1 life: Add or .
, , Sacrifice Horizon Canopy: Draw a card.

Target creature gets -3/-3 until end of turn.
Cycling (, Discard this card: Draw a card.)
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

When Imperial Mask enters the battlefield, if it's not a token, each of your teammates creates a token that's a copy of Imperial Mask.
You have hexproof. (You can't be the target of spells or abilities your opponents control.)

Spend only mana produced by basic lands to cast this spell.

Shadow (This creature can block or be blocked by only creatures with shadow.)
Suspend 2— (Rather than cast this card from your hand, you may pay and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way.
At the beginning of your next upkeep, pay . If you don't, you lose the game.

, Exile a nonland card from your hand: Put four time counters on the exiled card. If it doesn't have suspend, it gains suspend. (At the beginning of your upkeep, remove a time counter from that card. When the last is removed, cast it without paying its mana cost. If it's a creature, it has haste.)

Choose target attacking or blocking creature. Scry 3, then reveal the top card of your library. Judge Unworthy deals damage equal to that card's converted mana cost to that creature. (To scry 3, look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Kicker (You may pay an additional as you cast this spell.)
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
If Kavu Primarch was kicked, it enters the battlefield with four +1/+1 counters on it.

Keldon Megaliths enters the battlefield tapped.
: Add .
Hellbent — , : Keldon Megaliths deals 1 damage to any target. Activate this ability only if you have no cards in hand.

Flying; flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

Korlash, Heir to Blackblade's power and toughness are each equal to the number of Swamps you control.
: Regenerate Korlash.
Grandeur — Discard another card named Korlash, Heir to Blackblade: Search your library for up to two Swamp cards, put them onto the battlefield tapped, then shuffle your library.

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Enchanted creature gets +3/+3 and doesn't untap during its controller's untap step.

, : Return target creature with converted mana cost X to its owner's hand.
Grandeur — Discard another card named Linessa, Zephyr Mage: Target player returns a creature they control to its owner's hand, then repeats this process for an artifact, an enchantment, and a land.

Sacrifice Llanowar Augur: Target creature gets +3/+3 and gains trample until end of turn. Activate this ability only during your upkeep.

When Llanowar Empath enters the battlefield, scry 2, then reveal the top card of your library. If it's a creature card, put it into your hand. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)