, : Target creature gets +1/+1 until end of turn. Activate only as a sorcery.

Whenever you cast a black spell, Emberstrike Duo gets +1/+1 until end of turn.

Whenever you cast a red spell, Emberstrike Duo gains first strike until end of turn.

Flying

When Glidedive Duo enters, each opponent loses 2 life and you gain 2 life.

: Kindlespark Duo deals 1 damage to target opponent.

Whenever you cast a noncreature spell, untap Kindlespark Duo.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

When Lightshell Duo enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Trample

Whenever you expend 4, target creature you control gets +1/+1 and gains trample until end of turn. (You expend 4 as you spend your fourth total mana to cast spells during a turn.)

Flying

When Skyskipper Duo enters, exile up to one other target creature you control. Return it to the battlefield under its owner's control at the beginning of the next end step.

Whenever you cast a red spell, Tattermunge Duo gets +1/+1 until end of turn.

Whenever you cast a green spell, Tattermunge Duo gains forestwalk until end of turn. (It can't be blocked as long as defending player controls a Forest.)

When Treeguard Duo enters, until end of turn, target creature you control gains vigilance and gets +X/+X, where X is the number of creatures you control.