When Tenacious Pup enters the battlefield, you gain 1 life. You get a one-time boon with "When you cast a creature spell, that creature enters with an additional +1/+1 counter, trample counter, and vigilance counter on it."
Karn, Legacy Reforged's power and toughness are each equal to the greatest mana value among artifacts you control.At the beginning of your upkeep, add for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end.
Avoidance — Whenever you cast a noncreature spell, exile up to one target nonland permanent you control, then return that card to the battlefield under its owner's control.
When Sanguine Brushstroke enters, create a Blood token and conjure a card named Blood Artist onto the battlefield.Whenever you sacrifice a Blood token, each opponent loses 1 life and you gain 1 life.
Xantcha, Sleeper Agent enters under the control of an opponent of your choice.Xantcha attacks each combat if able and can't attack its owner or planeswalkers its owner controls.: Xantcha's controller loses 2 life and you draw a card. Any player may activate this ability.
First strikeWhenever Mirri, Weatherlight Duelist attacks, each opponent can't block with more than one creature this combat.As long as Mirri, Weatherlight Duelist is tapped, no more than one creature can attack you each combat.
