Ainok Guide [Fate Reforged] Human Spellshaper Assassin Set: Invasion Type: Enchantment Rarity:

Set: Invasion Type: Enchantment Rarity: Uncommon Cost: {1}{R} {1}{R}

Set: Modern Masters 2017 Tokens Type: Token Creature — Soldier Rarity: Common

They only specify the consequences should you fail

you may sacrifice Mortal Obstinacy

Set: Duel Decks Anthology Type: Creature — Insect Rarity: Uncommon Cost: {G} Return an Elf you control to its owner's hand: Untap target creature

Ainok Guide [Fate Reforged] Human Spellshaper Assassin Set: Invasion Type: Enchantment Rarity:Set: Fate Reforged Type: Creature Dog Scout Rarity: Common Cost: {1}{G} When Ainok Guide enters the battlefield, choose one Put a +1 +1 counter on Ainok Guide. Search your library for a basic land card, reveal it, then shuffle and put that card on top.