Obsidian Fireheart [Archenemy: Nicol Bolas]

Obsidian Fireheart [Archenemy: Nicol Bolas]Set: Archenemy: Nicol Bolas Type: Creature Elemental Rarity: Mythic Cost: {1}{R}{R}{R} {1}{R}{R}: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after Obsidian Fireheart has left the battlefield.)

Set: Kaladesh Type: Artifact Rarity: Common Cost: {2} When Prophetic Prism enters the battlefield

then discard a card at random

I'd prefer the former

Set: Mirage Type: Enchantment — Aura Rarity: Common Cost: {1}{R} You may cast Lightning Reflexes as though it had flash

Set: Battle Royale Type: Creature — Human Druid Rarity: Common Cost: {G} {G}

creatures you control have base power and toughness X/X and gain all creature types

Necromancers deal in commodities far more precious than gold and grain

but the local tribes avoid it at all costs

Players can't cast spells from graveyards or libraries

" —Pemmin

That player sacrifices all permanents in the pile of their choice

Exile any number of those cards