Urza's Sylex [The Brothers' War] Wx2 put a charge counter on

put a charge counter on Shrine of Burning Rage

Set: Ixalan Prerelease Promos Type: Legendary Planeswalker — Vraska Rarity: Mythic Cost: {4}{B}{G} +2: Create a 2/2 black Pirate creature token with menace

Set: Homelands Type: Instant Rare Cost: {2}{W} Each player may draw up to two cards

Set: Classic Sixth Edition Type: Enchantment — Aura Common Cost: {R} Enchant creature {R}: Enchanted creature gets +1/+0 until end of turn

but the skyknights never dealt with the problem in a systematic way

Urza's Sylex [The Brothers' War] Wx2 put a charge counter onSet: The Brothers' War Type: Legendary Artifact Rarity: Mythic Cost: {3} {2}{W}{W}, {T}, Exile Urza's Sylex: Each player chooses six lands they control. Destroy all other permanents. Activate only as a sorcery. When Urza's Sylex is put into exile from the battlefield, you may pay {2}. If you do, search your library for a planeswalker card, reveal it, put it into your hand, then shuffle.