While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able.

Kicker {B} (You may pay an additional {B} as you cast this spell.)

Creatures you control get +1/+1 until end of turn. If this spell was kicked, Zombie creatures you control get an additional +2/+2 until end of turn.

Counter target spell and Suffocating Blast deals 3 damage to target creature.

Target player exiles all cards from their hand face down. At the beginning of the end step of that player’s next turn, that player returns those cards to their hand.

Trample (This creature can deal excess combat damage to the player or planeswalker it’s attacking.)

When Sylvan Messenger enters the battlefield, reveal the top four cards of your library. Put all Elf cards revealed this way into your hand and the rest on the bottom of your library in any order.

Skip your draw step.

{1}, Tap two untapped creatures you control: Draw a card.

Look at the top three cards of target opponent’s library, then put them back in any order. That player looks at the top three cards of your library, then puts them back in any order.

Put target permanent on top of its owner’s library.

When Tidal Courier enters the battlefield, reveal the top four cards of your library. Put all Merfolk cards revealed this way into your hand and the rest on the bottom of your library in any order.

{3}{U}: Tidal Courier gains flying until end of turn.

Destroy all enchantments.

Draw a card.

{T}: Target land becomes a Plains or an Island until end of turn.

{1}: Choose a creature type other than Wall. Target creature becomes that type until end of turn.

{T}: Add {B}, {G}, or {U}.

Return up to two target creature cards from your graveyard to your hand.

Draw a card.

Destroy target permanent.

{T}: Target instant or sorcery spell becomes the color of your choice.

Flying

When Whirlpool Drake enters the battlefield, shuffle the cards from your hand into your library, then draw that many cards.

When Whirlpool Drake dies, shuffle the cards from your hand into your library, then draw that many cards.

When Whirlpool Rider enters the battlefield, shuffle the cards from your hand into your library, then draw that many cards.

When Whirlpool Warrior enters the battlefield, shuffle the cards from your hand into your library, then draw that many cards.

{R}, Sacrifice Whirlpool Warrior: Each player shuffles the cards from their hand into their library, then draws that many cards.

{1}{W}: Search your library for an enchantment card and reveal that card. Put it into your hand, then discard a card at random. Then shuffle.

{1}{U}: Search your library for an instant card and reveal that card. Put it into your hand, then discard a card at random. Then shuffle.