msem-instigator

{T}: Each of two other target permanents you control that share a card type become a copy of the other until end of turn.

Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)
Damage dealt to tapped creatures your team controls also causes you to gain that much life.
Whenever a nontoken creature you own dies, create a token that's a copy of it.

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

Return target artifact or creature to its owner's hand.

When Disassociate enters, exile target creature until Disassociate leaves the battlefield.

{1}: Draw a card, then put a card from your hand on top of your library.

Dismal Backwater enters tapped.
When Dismal Backwater enters, you gain 1 life.
{T}: Add {U} or {B}.

Choose one —
• Dispersive Volley deals 1 damage to each of up to three target attacking or blocking creatures.
• Target player sacrifices an enchantment.

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Counter target spell. Scry 1.

As an additional cost to cast this spell, discard a card or pay {2}.
Distant Thunder deals 3 damage to any target.

Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.
You may put up to two land cards from your hand onto the battlefield tapped.

As long as your deck contains only red and colorless cards, your minimum deck size is reduced by eight.

Draw two cards.

Destroy target attacking or blocking creature.

Flying
Demons and Vampires you control get +1/+1 for each player that has lost life this turn.

Spells your opponents cast cost {1} more to cast.
Spells you cast cost {1} less to cast.

You have hexproof.
Whenever you cast a noncreature spell, you may tap or untap target permanent.

Destroy target creature or planeswalker.
Fuse (You may cast one or both halves of this card from your hand.)

Flying, first strike, haste
Whenever Doombringer Dragon attacks, you may sacrifice another creature. If you do, Doombringer Dragon gets +3/+0 until end of turn.

When Doomed Traveler dies, create a 1/1 white Spirit creature token with flying.

Primal—Reappropriate green. (During your turn, you may cast this spell by exiling two green cards from your hand and/or graveyard instead of playing a land.)
When Dovon's Masterwork enters, return target land card from your graveyard to the battlefield tapped.

{T}: Add {G}.
{B/G}, {T}: Exile target card from a graveyard. If that card is a creature card, put a +1/+1 counter on Dovon, Verdant Experimenter and you gain 1 life.

First mate — Twelve or more cards in your starting deck have “gain control” or “exchange control” in their printed rules text. (If this card outside the game is your chosen first mate, you may swap it with a card in your opening hand.)
Dr. Telsi of the Ark can't be blocked.
Dr. Telsi gets +1/+1 for each permanent you control but don't own.

Menace
Whenever a creature you control with power 4 or greater attacks, it gains menace until end of turn.