Necropotence (Leon Lindback) [Pro Tour Collector Set] Hydra you'd need the energy of

you'd need the energy of the giant's tonic

"As a great whale dies

Target creature gains trample and gets +X/+0 until end of turn

Set: Limited Edition Alpha Type: Enchantment Common Cost: {1}{W} {1}: The next time a blue source of your choice would deal damage to you this turn

Necropotence (Leon Lindback) [Pro Tour Collector Set] Hydra you'd need the energy ofSet: Pro Tour Collector Set Type: Enchantment Rarity: Rare Cost: {B}{B}{B} Skip your draw step. Whenever you discard a card, exile that card from your graveyard. Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.