Dragonsoul KnightHow it works & interactions with other cards

Unleashing the Dragon

Dragonsoul Knight starts as a 2/2 with first strike. Its activated ability costs one mana of every color ({W}{U}{B}{R}{G}). When this ability resolves, the creature undergoes three distinct changes: it becomes a Dragon (losing its previous types), it gains +5/+3 to its power and toughness, and it gains the flying and trample keywords. This transformation lasts until the end of the turn.

Resolution Step-by-Step

First, you pay the five-color mana cost to put the ability on the stack. Upon resolution, the game checks the creature's current state. It immediately loses the 'Human' and 'Knight' subtypes and becomes a 'Dragon'. Next, its stats are modified to become a 7/5. Finally, it gains flying and trample in addition to its inherent first strike. If you activate the ability multiple times, the power and toughness bonuses stack, but the type change and keywords remain redundant.

Timing and Type Changes

A common mistake involves the creature types. Unlike some effects that say 'in addition to its other types,' Dragonsoul Knight's ability simply says 'becomes a Dragon.' This means any synergies you have for Humans or Knights will stop functioning until the turn ends. Additionally, remember that giving it flying after it has already been blocked by a non-flying creature will not undo the block.

Strategic Deployment

Since the transformation requires all five colors, you should prioritize mana fixing in the early game. Because the Knight retains first strike, a 7/5 with first strike, flying, and trample is extremely difficult to interact with in combat. Use it as a mana sink in the late game to force through lethal damage.

Interaction examples

Building the Five-Color Base

Solemn Simulacrum

You have Dragonsoul Knight on the battlefield but lack the Blue and Black mana to transform it. You cast Solemn Simulacrum, using its enters-the-battlefield trigger to search for a basic Island. This narrows your requirement down to a single Swamp, helping you reach the full 'Domain' cost needed for the Knight's transformation.

Ramping into the Transformation

Sakura-Tribe Elder

On turn two, you play Sakura-Tribe Elder. On turn three, you play Dragonsoul Knight. During your opponent's end step, you sacrifice the Sakura-Tribe Elder to fetch a basic Forest. By accelerating your land count and diversifying your colors early, you ensure that as soon as you have five mana available, you can threaten a 7/5 flying attacker.

The Layered Transformation

If you have ten mana available (two of each color), you can activate the ability twice. The first resolution makes the Knight a 7/5 Dragon with flying and trample. The second resolution adds another +5/+3, resulting in a 12/8 Dragon. It remains just a Dragon (not a Human or Knight), even with multiple resolutions.