![War of the Spark: Bioessence Hydra](/img/cards/war-of-the-spark/war-bioessence-hydra-186.jpg)
Bioessence Hydra | Creature | Hydra Mutant | Trample
Bioessence Hydra enters the battlefield with a +1/+1 counter on it for each loyalty counter on planeswalkers you control.
Whenever one or more loyalty counters are put on planeswalkers you control, put that many +1/+1 counters on Bioessence Hydra. | Mathias Kollros
4.0 LSV
![War of the Spark: Merfolk Skydiver](/img/cards/war-of-the-spark/war-merfolk-skydiver-205.jpg)
Merfolk Skydiver | Creature | Merfolk Mutant | Flying
When Merfolk Skydiver enters the battlefield, put a +1/+1 counter on target creature you control.
{3}{G}{U}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | Sara Winters
3.5 LSV
![War of the Spark: Roalesk, Apex Hybrid](/img/cards/war-of-the-spark/war-roalesk-apex-hybrid-213.jpg)
Roalesk, Apex Hybrid | Legendary Creature | Human Mutant | Flying, trample
When Roalesk, Apex Hybrid enters the battlefield, put two +1/+1 counters on another target creature you control.
When Roalesk dies, proliferate, then proliferate again. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.) | Svetlin Velinov
4.5 LSV
![War of the Spark: Niv-Mizzet Reborn](/img/cards/war-of-the-spark/war-niv-mizzet-reborn-208.jpg)
Niv-Mizzet Reborn | Legendary Creature | Dragon Avatar | Flying
When Niv-Mizzet Reborn enters the battlefield, reveal the top ten cards of your library. For each color pair, choose a card that's exactly those colors from among them. Put the chosen cards into your hand and the rest on the bottom of your library in a random order. | Raymond Swanland
1.0 LSV