Planeswalker's Mischief [Planeshift]Set: Planeshift Type: Enchantment Rarity: Rare Cost: {2}{U} {3}{U}: Target opponent reveals a card at random from their hand. If it's an instant or sorcery card, exile it. You may cast it without paying its mana cost for as long as it remains exiled. At the beginning of the next end step, if you haven't cast it, return it to its owner's hand. Activate only as a sorcery.

if you have seven or more cards in hand

From Gaea grew the world's elves

then return it to the battlefield tapped under its owner's control

Wei Commander enters the battlefield

you may cast a creature spell from your graveyard

Set: Diamond & Pearl: Majestic Dawn Type: Stadium Rarity: Uncommon

Counter target spell

Activate only during your turn and only once each turn

Set: Portal Type: Creature — Djinn Rarity: Rare Cost: {5}{U}{U} Flying

(You can't be the target of spells or abilities your opponents control

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {3} As long as Trinisphere is untapped

Endbringer can't attack if there's another creature on the battlefield