msem-instigator

Target player discards a card. Until your next turn, whenever that player casts a spell, they discard a card.

Whenever a creature you control enters from a graveyard, target opponent loses life equal to its power.

Well of Eternity enters with X charge counters on it.
At the beginning of your first main phase, choose a color, then add one mana of that color for each charge counter on Well of Eternity.

This spell can't be countered.
If a spell or ability an opponent controls causes you to sacrifice Wellspring of Creation, you may put it on the top or bottom of its owner's library instead of putting it into that player's graveyard.

You may cast What Remains of Samuel Quinn from your graveyard and from the battlefield. It costs {G}{G} more to cast this way.
What Remains of Samuel Quinn enters with your choice of X counters from among +1/+1, vigilance, reach, and trample.

Augmented — If you've spent {W}{U}{B}{R}{G} to cast spells this turn, you may cast this spell without paying its mana cost.
Counter target spell.

Draw two cards, then discard two cards. Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

You gain 5 life and draw a card. Then if you've cast spells named When the Stars Align five times this game, you win the game.
Augmented — If you've spent {W}{U}{B}{R}{G} to cast spells this turn, you may shuffle When the Stars Align into your library.

Discard your hand, shuffle your library, then draw three cards. You may cast a nonland card from your hand without paying its mana cost.
Acquiesce (If you cast this spell from your hand, exile it as it resolves. When one or more creatures you control deal combat damage to an opponent, you may cast this card from exile without paying its mana cost.)

Flying, lifelink
Creatures entering or leaving the battlefield don't cause abilities to trigger unless that creature is in a pack. (Two or more creatures a player controls with equal power are in a pack.)

Harness (You may tap a creature you control as you cast this spell. If you do, reduce this spell's mana cost by that creature's power.)
Return each nonland permanent your opponents control to its owner's hand.

Whenever two or more creatures you control deal combat damage to a player, you lose 1 life and draw a card.

Return target card from your graveyard to your hand.
{1}{G}, Tap an untapped Shaman you control, Exile Whisper of the Wild from your graveyard: Return target card from your graveyard to your hand.

Whispering Canal enters tapped unless you control a basic land.
{T}: Add {U} or {B}.

Whenever an opponent casts a spell, that player mills X cards, where X is that spell's mana value.

Mill three cards. When you do, return a nonland card from your graveyard to your hand.

Flying, haste
When Whisperwoods Phoenix dies or you discard it, create a red enchantment token named Ash with “Whenever you cast a noncreature spell, put a feather counter on this. Then if there are three or more feather counters on it, sacrifice it and return a card named Whisperwoods Phoenix from your graveyard to the battlefield.”

When Whisperwoods Reclaimer enters, if there are three or more land cards in your graveyard, return target land card from your graveyard to the battlefield tapped.

Double strike

{T}: Add {C}.
{T}: Each opponent may draw a card. For each player who does, draw a card.

Improve {1} ({1}: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
Other creatures you control have improve {1}.

Escalate {B} (Pay this cost for each mode chosen beyond the first.)
Choose one or more —
• Wicked Blow deals 3 damage to target player or planeswalker.
• Wicked Blow deals 3 damage to target creature.
• You gain 3 life.

When Wiedfree Investigator enters, return up to one target artifact card with mana value 2 or less from your graveyard to the battlefield.
{2}, Sacrifice an artifact: Draw a card.

Whenever a player casts an instant or sorcery spell, Wiedfree Roughrider deals 2 damage to that player.
Whenever Wiedfree Roughrider attacks, you may pay {X}. When you do, destroy target noncreature, nonland permanent with mana value X.

Whenever Wild Bearmaster attacks, each other attacking creature you control gets +X/+X until end of turn, where X is Wild Bearmaster's power.