Mass Polymorph [Magic 2011]Set: Magic 2011 Type: Sorcery Rarity: Rare Cost: {5}{U} Exile all creatures you control, then reveal cards from the top of your library until you reveal that many creature cards. Put all creature cards revealed this way onto the battlefield, then shuffle the rest of the revealed cards into your library.

if you have more cards in hand than each opponent

Set: XY: Primal Clash Type: Fighting Rarity: Common Retreat cost: Colorless

If the ground is smooth

Primal Death from your hand: Put a prey counter on target creature

Set: Diamond & Pearl: Stormfront Type: Psychic Rarity: Uncommon Retreat cost: Colorless

Set: EX: Deoxys Type: Psychic Rarity: Common Retreat cost: Colorless

I did not step down

you may have begun to learn your place

Set: EX: Delta Species Type: Fighting Rarity: Ultra Rare Retreat cost: Colorless

Whenever Scourge of Valkas or another Dragon enters the battlefield under your control

Set: Platinum: Arceus Type: Lightning Rarity: Common Retreat cost: Colorless

Set: Sun & Moon: Unbroken Bonds Type: Item Rarity: Uncommon