Quicksilver Amulet

{4}, {T}: You may put a creature card from your hand onto the battlefield.

Show and Tell

Each player may put an artifact, creature, enchantment, or land card from their hand onto the battlefield.

Blade of Selves

Equipped creature has myriad. (Whenever it attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)
Equip {4}

Counterlash

Counter target spell. You may cast a spell that shares a card type with it from your hand without paying its mana cost.

Sun Quan, Lord of Wu

Creatures you control have horsemanship. (They can't be blocked except by creatures with horsemanship.)

Blightsteel Colossus

Trample, infect, indestructible
If Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it into its owner's library instead.