Shie Nanahara

「時間術士は、刹那に生きるということに関して特殊な定義を持っています。」
—-千年秘本

Time Warp

Target player takes an extra turn after this one.

「相手より強くなる必要はない。こちらが手の内を明かす前に、むこうに手を打たせるだけでいい。」
――「否定の力：対抗魔法の探究」

Spell Pierce

Counter target noncreature spell unless its controller pays {2}.

"One does not need to be stronger than their opponent. You need only force them to play their hand before you've shown your own."
—*Forces of Negation: A Study in Countermagic*

Ambrosia Whiteheart

Flash
When Ambrosia Whiteheart enters, you may return another permanent you control to its owner's hand.
Landfall — Whenever a land you control enters, Ambrosia Whiteheart gets +1/+0 until end of turn.

Aettir and Priwen

Equipped creature has base power and toughness X/X, where X is your life total.
Equip {5}

Swamp

Howltooth Hollow

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)
This land enters tapped.
{T}: Add {B}.
{B}, {T}: You may play the exiled card without paying its mana cost if each player has no cards in hand.

「呼吸しているかぎり、お前にはまだ貢献できるものがある。」
—-ウィザーブルームの学部長、ヴァレンティン

Channel

Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add {C}.