Ashnod's Altar (Italian) - "Altare di Ashnod" [Rinascimento]Set: Rinascimento Type: Artifact Rarity: Uncommon Cost: {3} Sacrifice a creature: Add {C}{C}.

You choose an instant or sorcery card from it and exile that card

Set: Unlimited Edition Type: Enchantment Rarity: Rare Cost: {B}{B}{B}{B} As Lich enters the battlefield

Set: Magic Premiere Shop 2007 Type: Basic Land — Plains Rarity: Common ({T}: Add {W}

The hippo grows wings to fight the condor

Remove a +1/+1 counter from Spike Tiller: Put a +1/+1 counter on target creature

where X is Cultivator of Blades's power

Set: Khans of Tarkir Promos Type: Creature — Elephant Rarity: Rare Cost: {2}{W}{B}{G} Untap each creature you control with a +1/+1 counter on it during each other player's untap step

Set: Oath of the Gatewatch Promos Type: Legendary Creature — Merfolk Wizard Rarity: Rare Cost: {1}{U}{R} Whenever you cast your second spell each turn

Set: Commander 2013 Oversized Type: Legendary Creature — Faerie Rarity: Rare Cost: {2}{G}{W}{U} You may choose not to untap Rubinia Soulsinger during your untap step

Set: Sun & Moon: Unified Minds Type: Darkness Rarity: Secret Rare Retreat cost: Colorless

the player sacrifices two creatures

The only way to finish the Trial of Strength is with a basilisk scale in hand