Seek Bolas's Counsel [Mystery Booster Playtest Cards]Set: Mystery Booster Playtest Cards Type: Sorcery Rarity: Rare Cost: {U}{B}{R} Choose one at random You get an emblem with "At the beginning of your upkeep, pay {U}{B}{R}. If you don't, you lose the game." Each player discards their hand. Planeswalk to Pools of Becoming. (Once there, you can roll the planar die only if you're playing Planechase.) For each opponent, exile cards from the top of their library until you exile a nonland card. You may cast

Set: Base Set 1st Edition Type: Grass Rarity: Uncommon Retreat cost: Colorless

Set: Legends Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{B} Enchant creature

Set: Unlimited Edition Type: Creature — Bird Rarity: Rare Cost: {G} Flying

you may flip a coin

Set: Sun & Moon: Celestial Storm Type: Water Rarity: Holo Rare Retreat cost: Colorless

Set: Sun & Moon: Burning Shadows Type: Water Rarity: Common Retreat cost: Colorless

Sacrifice another creature: Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value

could create a working model from even the smallest remnants of a newly unearthed artifact

Set: Urza's Saga Type: Enchantment Rarity: Rare Cost: {3}{G} At the beginning of your upkeep

Set: Black & White: Black Star Promos Type: Psychic Rarity: Promo Retreat cost: Colorless

(To investigate

it gets +1/+1 until end of turn for each other attacking Kavu